Invertebrate paleontology /
Easton, W. H.
Invertebrate paleontology / [by] W.H. Easton. - New York : Harper & Row, c1960. - xii, 701 p. : ill. ; 23 cm. - Harper's geoscience series .
Includes index.
Invertebrates, Fossil.
Invertebrate paleontology / [by] W.H. Easton. - New York : Harper & Row, c1960. - xii, 701 p. : ill. ; 23 cm. - Harper's geoscience series .
Includes index.
Invertebrates, Fossil.