Sanderson, Ivan Terence, 1911-1973.
Uninvited visitors : a biologist looks at UFO's / Ivan T. Sanderson. - London : Spearman, 1967. - viii, 245 p., plate. : 2 illus., 2 facsims; 23 cm.
Bibliography: p. 242-244.
0854350500
77447460
B69-26361
Unidentified flying objects.
TL789 / .S2 1969
629.1334 / SAU
Uninvited visitors : a biologist looks at UFO's / Ivan T. Sanderson. - London : Spearman, 1967. - viii, 245 p., plate. : 2 illus., 2 facsims; 23 cm.
Bibliography: p. 242-244.
0854350500
77447460
B69-26361
Unidentified flying objects.
TL789 / .S2 1969
629.1334 / SAU