TY - BOOK AU - Clerk,G.C. AU - Ewer,D.W. AU - Hall,J.B. TI - Ecological biology: for A-level and intermediate students in Africa SN - 0582609429 (v. 1) : AV - QH541.14QH541.14QH541.14QH541.14QH541.14 .E23.E23.E23.E23.E23 U1 - 574.5 PY - 1972///- CY - London PB - Longman KW - Biology KW - Juvenile literature KW - Ecology N1 - Includes bibliographies and index; v. 1. Organisms and their environments ER -