Phillips, O. M. 1930-
The heart of the earth / by, O. M. Phillips. - San Francisco : Freeman, Cooper, c1968. - 236 p. : illus. ; 24 cm.
Includes Index.
Bibliography: p. 227-229.
68014223
Earth (Planet)
QE501 / .P48
550 / PHH
The heart of the earth / by, O. M. Phillips. - San Francisco : Freeman, Cooper, c1968. - 236 p. : illus. ; 24 cm.
Includes Index.
Bibliography: p. 227-229.
68014223
Earth (Planet)
QE501 / .P48
550 / PHH
