TY - BOOK AU - Ewer,D.W. AU - Hall,J.B. AU - Mitchelmore,June Anthea TI - Ecological biology: practical book 1 SN - 0582606462 (v. 1) AV - QH541 .E8 U1 - 574.5/02/8 PY - 1975///- CY - London PB - Longman KW - Biology KW - Experiments KW - Laboratory manuals ER -