000 00290nam a2200109Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
245 0 _aREADERS DIGEST KNOWLEDGE GUEST - THE WORLD OF SCIENCE & TECHNOLOGY
260 _bTHE READER DIGEST
300 _a168
942 _cBK
999 _c172692
_d172692