Earl S. Herald ; California Academy of Sciences, San Francisco Inglês
(vol. XX, N.º 1, January-February,1967, pp. 2-9)
California, 1967
9 p. : il. ; 29 cm
Separata Pacific discovery (vol. XX, N.º 1, January-February,1967, pp. 2-9), a bi-monthly publication of the California Academy of Sciences, San Francisco, California.