Raven, Peter H. Biology of plants / Peter H. Raven, Ray F. Evert, Susan E. Eichhorn. - 6th ed. - New York : W. H. Freeman, 1999. - xv, 944 p. ISBN: 1572590416 : KES 8,305 Subjects--Topical Terms: Botany. LC Class. No.: QK47 / .R38 1999