ʾElén Héynék ; [tr. by] Gamaču Malkā

Mégā ʾasātāmi dereǧet 1989 [1996]

Available at 1 libraries

J.アレン・ハイネック,ジャック・ヴァレー[著] ; 久保智洋訳

角川書店 1981.7 角川文庫 白-517-1

Available at 4 libraries

J. Allen Hynek, Necia H. Apfel

W.A. Benjamin c1972

Available at 5 libraries

by J. Allen Hynek ; student activities by Norman D. Anderson ; illustrated by Helmut Wimmer ; advisory group, Nancy G. Roman, John S. Richardson, Norman D. Anderson

McGraw-Hill c1962 McGraw-Hill edition Vistas of science 4

Available at 1 libraries

J.A. Hynek, editor

McGraw-Hill 1951 McGraw-Hill astronomical series

Available at 21 libraries