The ocean floor /
Pettersson, Hans, 1888-
The ocean floor / Hans Pettersson. - New York: Hafner Publishing Company, 1969. - xv, 181 p. : illus. ; 22 cm. - Mrs. Hepsa Ely Silliman memorial lectures. .
Facsim. reprint of the ed. published by Yale University Press, New Haven, in series: Yale University. Mrs. Hepsa Ely Silliman memorial lectures.
Includes bibliographical references.
78-098102 //r85
Ocean bottom.
The ocean floor / Hans Pettersson. - New York: Hafner Publishing Company, 1969. - xv, 181 p. : illus. ; 22 cm. - Mrs. Hepsa Ely Silliman memorial lectures. .
Facsim. reprint of the ed. published by Yale University Press, New Haven, in series: Yale University. Mrs. Hepsa Ely Silliman memorial lectures.
Includes bibliographical references.
78-098102 //r85
Ocean bottom.