000 00271nam a2200121Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
245 0 _aFACTS FROM SCIENCE
260 _bOM BOOKS INTERNATIONAL
300 _a43
650 _aSCIENCE
942 _cREF
999 _c171676
_d171676