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