Principles of invertebrate paleontology /
Shrock, Robert R.
Principles of invertebrate paleontology / Robert R. Shrock and William H. Twenhofel. - 2d ed. - New York : McGraw-Hill, c1953. - 816 p. : ill. ; 24 cm.
Includes bibliographical references & index.
Invertebrates, Fossil.
562 / SHP
Principles of invertebrate paleontology / Robert R. Shrock and William H. Twenhofel. - 2d ed. - New York : McGraw-Hill, c1953. - 816 p. : ill. ; 24 cm.
Includes bibliographical references & index.
Invertebrates, Fossil.
562 / SHP