Bernstein, Ruth. 3000 solved problems in biology. / Ruth Bernstein, Stephen Bernstein. - New York : McGraw-Hill, c1988. - ix, 406 p. : ill. ; 28 cm. - Schaum's solved problems series. . Three thousand solved problems in biology. Pb. ISBN: 971110606X Subjects--Topical Terms: Biology--Problems, exercises, etc. LC Class. No.: QH 316 / B47 1988