000 00339nam a2200145Ia 4500
020 _a9780721406602
082 _b830
_a500
100 _a"Paull, Dorothy"
245 0 _aSimple Chemistry
260 _b,Ladybird Books Ltd
_aEngland
_c1993
300 _a50
944 _cBK
999 _c246851
_d246851