The earth beneath the sea /
Shepard, Francis P. 1897-1985.
The earth beneath the sea / Francis P. Shepard. - Baltimore : Johns Hopkins Press, [c1959]. - 275 p. : ill. ; 23 cm.
The earth beneath the sea / Francis P. Shepard. - Baltimore : Johns Hopkins Press, [c1959]. - 275 p. : ill. ; 23 cm.