000			003740000a22001690004500
245			_aWork out chemistry GCSE
100			_aBarker, A.L.
100			_aKnapp, K.A.
250			_a2nd ed.
260			_aHoundmills _bMacmillan _c1987
300			_a215p. : ill.
020			_a033343451X
080			_a54(076) _bB3
650			_aCHEMISTRY
041			_aEN
942			_cBK
999			_c63281 _d63281