Simpkins, John. Investigations in animal physiology / John Simpkins. - London, Heinemann Educational, 1973. - xii, 84 p. ill. - Heinemann investigations in biology . ISBN: 0435602853 Nat. Bib. No.: B73-07614 Subjects--Topical Terms: Physiology. LC Class. No.: QP31.2 / .S55 Dewey Class. No.: 591.1/028