ジャック・ヴァレ
Five Arguments Against the Extraterrestrial Origin of Unidentified Flying Objects – Jacques Vallée, Ph.D.
Six Cases of Unexplained Aerial Objects with Defined Luminosity Characteristics – Jacques Vallée, Ph.D.
Physical Analyses in Ten Cases of Unexplained Aerial Objects with Material Samples – Jacques Vallée, Ph.D.
Report from the Field: Scientific Issues in the UFO Phenomenon – Jacques Vallée, Ph.D.
Crop Circles: “Signs” From Above or Human Artifacts? – Jacques Vallée, Ph.D.
Are UFO Events related to Sidereal Time – Arguments against a proposed correlation – Jacques Vallée, Ph.D.