Lower animals /
Wells, Martin John.
Lower animals / by Martin Wells. - New York : McGraw-Hill, 1968. - 255 p. : ill., (part col.). ; 19 cm.
Bibliography: p. 244-249.
68-013140
Invertebrates.
Lower animals / by Martin Wells. - New York : McGraw-Hill, 1968. - 255 p. : ill., (part col.). ; 19 cm.
Bibliography: p. 244-249.
68-013140
Invertebrates.