Some references to discussion of the Fort Itaipu case (by Isaac Koi):

Binder, Otto O in “Flying Saucers Have Arrived!” (1970) (edited by Jay David) at pages 183-184 (in the unnumbered chapter entitled “How Flying Saucers Can Injure You”) of the World hardback edition.

Blundell, Nigel in his “World’s Most Amazing UFO Visits” (1996) at pages 66-67 of the Select softcover edition.

Briazack, Norman and Mennick, Simon in their “The UFO Guidebook” (1978) at page 93 (in the entry entitled “Fort Itaipu”) of the Citadel softcover edition.

Canadeo, Anne in her “UFO’s: The Fact or Fiction File” (1990) at pages 61-62 (in Chapter 5 of the pro-UFO side of the book, i.e. the side which starts with the Chapter 1 entitled “Visitors at Cisco Grove”) of the Walker hardback edition.

Clark, Jerome in his “The UFO Encyclopedia: 1st edition: Volume 2 – Emergence of a Phenomenon” (1992) at pages 206-207 (in an entry entitled “Itaipu Fortress Incident”) of the Omnigraphics hardback edition.

Clark, Jerome in his “The UFO Encyclopedia: The Phenomenon from the Beginning - 2nd edition : Volume 1:A-K” (1998) at page 537 (in an entry entitled “Itaipu Fortress Incident”) of the Omnigraphics hardback edition.

Clark, Jerome in his “The UFO Encyclopedia: The Phenomenon from the Beginning - 2nd edition” (1998) at page 537 (in an entry entitled “Itaipu Fortress Incident”) of Volume 1:A-K of the Omnigraphics hardback edition.

Clark, Jerome in his “UFO Encounters” (1992) at page 64 (in the unnumbered chapter entitled “The Dimensions of a Phenomenon”) of the Publications International hardback edition.

Cramp, Leonard G in his “Piece for a Jig-Saw” (1966) at pages 149-152 (in Chapter 10) of the Somerton hardback edition.

Davenport, Marc in his “Visitors from Time” (1992) at pages 68 (in Chapter 5), 109 (in Chapter 8) of the 1994 revised Greenleaf softcover edition.

Dolan, Richard M in his “UFOs and the National Security State: Volume 1” (2000) at page 284 (in Chapter 6) of the Keyhole softcover edition, at page 203 of the 2002 revised Hampton Road softcover edition.

Edwards, Frank in his “Flying Saucers – Serious Business” (1966) at pages 31-32 (in Chapter 2) of the Bantam paperback edition, at pages 38-39 of the Mayflower-Dell paperback edition.

Gaddis, Vincent in his “Mysterious Fire And Lights” (1967) at page 32 (in Chapter 2) of the Dell hardback edition.

Green, Gabriel with Smith, Warren in their “Let’s face the facts about Flying Saucers” (1967) at pages 88-89 (in the unnumbered chapter entitled “Healing Lights, Heat Waves, and Paralyzing Beams”) of the Popular Library paperback edition.

Greenfield, Irving in his “The UFO Report” (1967) at page 98 (in Chapter 11) of the Lancer paperback edition.

Keel, John in his “The Cosmic Question” (1975) (formerly “The Eighth Tower”) at page 45 (in Chapter 5) of the Panther paperback edition.

Keyhoe, Donald E in his “Aliens from Space” (1973) at pages 19-22 (in Chapter 2) of the Signet paperback edition, pages 32-34 of the Panther paperback edition.

Lorenzen, Coral and Lorenzen, Jim in their “UFOs: The Whole Story” (1969) at pages 83 (in Chapter 2), 185-186, 189-190, 199-200 (in Chapter 9), 211-212 (in Chapter 10) of the Signet paperback edition.

Lorenzen, Coral E in “The Encyclopedia of UFOs” (1980) (edited by Ronald Story) at pages 139-140 (in an entry entitled “Fort Itaipu (Brazil) incident”) of the NEL hardback edition.

Lorenzen, Coral E in “The Encyclopedia of UFOs” (1980) edited by Ronald Story at pages 139-140 (in an entry entitled “Fort Itaipu (Brazil) incident”) of the NEL hardback edition.

Lorenzen, Coral E in her “The Great Flying Saucer Hoax” (1962) at pages 3 (in Chapter 1), 148-150, 151, 152, 156 (in Chapter 10) of the APRO hardback edition.

Lorenzen, Coral in “Flying Saucers: the Startling Evidence of the Invasion from Outer Space” (1966) (an enlarged version of her “The Great Flying Saucer Hoax” (1962)) at pages 155-157, 163 (in Chapter 10) of the Signet paperback edition.

Lorenzen, Coral in “Flying Saucers: the Startling Evidence of the Invasion from Outer Space” (1966) (an enlarged version of her “The Great Flying Saucer Hoax” (1962)) at pages 155-157, 163 (in Chapter 10) of the Signet paperback edition.

Maney, Charles and Hall, Richard in their “Challenge of Unidentified Flying Objects” (1961) at page 113 (in Part 3, Chapter 1, by Richard Hall) of the privately published hardback edition.

Menzel, Donald and Boyd, Lyle in “The World of Flying Saucers” (1963) at page 184 (in Chapter 9) of the Doubleday hardback edition.

Olsen, Thomas M in his “The Reference for Outstanding UFO Sighting Reports” (1966) at page 3_52 (in Chapter 3) of the UFOIRC spiral-bound edition.

Palmer, Raymond A in his “The Real UFO Invasion” (1967) at pages 38-42 (in Chapter 2) of the Greenleaf paperback edition.

Randle, Kevin D in his “The October Scenario” (1988) at pages 168-169 (in Part 4, unnumbered section entitled “The October Scenario Revisited”) of the Berkley paperback edition.

Randles, Jenny in her “The Little Giant Encyclopedia of UFOs” (2000) at page 271 (in Part 3, “UFOs Worldwide”) of the Sterling softcover edition.

Sachs, Margaret in her “The UFO Encyclopedia” (1980) at pages 44-45 (in an entry entitled “Burns”), 113-114 (in an entry entitled “Fort Itaipu, Brazil”) of the Corgi softback edition.

Smith, Susy in her “Strangers from Space” (1977) at page 139 (in Chapter 16) of the Manor paperback edition.

Spencer, John in his “The UFO Encyclopedia” (1991) at page 119 (in an entry entitled “Fort Itaipu, Brazil”) of the Guild hardback edition (with the same page numbering in the Avon softcover edition) at page 135 of the Headline paperback edition.

Spencer, John in his “UFOs: The Definitive Casebook” (1991) at page 184 (in the unnumbered section entitled “South America”, in the chapter entitled “Database”) of the Hamlyn hardback edition.

Trench, Brinsley Le Poer in his “Operation Earth” (1969) at page 70 (in Chapter 11) of the Tandem paperback edition.

Vallee, Jacques in his “Anatomy of a Phenomenon” (1965) at pages 239-240 of the 1966 revised and enlarged Ace Star paperback edition.

Von Buttlar, Johannes in his “The UFO Phenomenon” (1980) at pages 120-121 (in Chapter 10) of the Book Club Associates hardback edition.

Zarkon in his “The Zarkon Principle” (1975) at pages 51-52 (in Chapter 7) of the Everest paperback edition.