000 00345nam a2200145Ia 4500
020 _a0751356417
082 _b2784
_a500.030
100 _a"Mckeever , Susan"
245 0 _aScience Encyclopedia
260 _bdorling Kindersley
_aLondon
_c1986
300 _a448
944 _cR
999 _c592204
_d592204