Ramsay, James Arthur. Physiological approach to the lower animals [by] J. A. Ramsay. - London Cambridge U.P. 1957. - ix, 148 p. illus. LCCN: f 31000198 Nat. Bib. No.: B68-15058 Subjects--Topical Terms: Physiology, ComparativeInvertebrates--Physiology. LC Class. No.: QP31 / .R3 1957 Dewey Class. No.: 591.1