Biology / Peter H. Raven, George B. Johnson. Raven, Peter H. Johnson, George B. (George Brooks), 1942- jt. aut. Biology. QH308.2 .R38 1996 574 20 RAB Includes bibliographical references and index. Virginia : Times Mirrors, c1986. c1986. 1986 Text xxx, 1198, [89] p. : eng