TY - BOOK AU - Crawley,Michael J. TI - Plant ecology SN - 063201363X : AV - QK901 .P57 1986 U1 - 581.5 19 PY - 1986/// CY - Oxford, London PB - Blackwell Scientific Publications KW - Ecology KW - Botany N1 - Includes indexes; Bibliography: p. 407-459 ER -