000 00283nam a2200109Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9780199135585
082 _a507.6OCR
245 0 _aOCR Gateway GCSE Aditional Science
260 _bOxford University Press
_c2011
942 _cBK
999 _c459706
_d459706