Gerking, Shelby Delos.
Biological systems / Shelby Delos Gerking. - Philadelphia : W. B. Saunders, 1969. - xiv, 480 p. : ill. ; 26 cm.
Includes index.
327 327
Biology.
Biological system.
574 / G31b
Biological systems / Shelby Delos Gerking. - Philadelphia : W. B. Saunders, 1969. - xiv, 480 p. : ill. ; 26 cm.
Includes index.
327 327
Biology.
Biological system.
574 / G31b