Bernstein, Ruth. 3000 solved problems in biology / by Ruth Bernstein, Stephen Bernstein. - New York : McGraw-Hill, c1988. - ix, 406 p. : ill. ; 28 cm. - Schaum's solved problems series . ISBN: 0070050228 (pbk.) LCCN: 88001538 Subjects--Topical Terms: Biology--Problems, exercises, etc. LC Class. No.: QH316 / .B47 1988 Dewey Class. No.: 570