000 00264nam a2200109Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9780751304688
082 _a001ASH
245 4 _aThe theory of Knowledege
260 _bDorling Kindersley
_c2000
942 _cBK
999 _c468428
_d468428