00000nam a2200000 a 4500 20251203090720.0 0718123530 577 ECO Hillary,Edmund Ecology 2000 Changing face of earth Michael Joseph 1984 252p.,22cm. HB Earth ENGLISH _ 19406 LIBSC C 17432 17432 0 0 0 0 PU PU 1998-11-02 0 577 ECO 19406 BK