RAVEN, PETER H UNDERSTANDING BIOLOGY - REVISED EDITION - ST.LOUIS MISSOURI, TIMES MIRROR/MOSBY COLLEGE, 1986, - XXXii, 799 P, ILL INCLUDES BIBLIOGRAPHICAL REFERENCES AND INDEX ISBN: 8-8006-2518-1 Subjects--Topical Terms: Biology LC Class. No.: QH 308.2 .R38 1986 / 1