000 00278nam a2200121Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
245 0 _aINVENTIONS THAT CHANGED THE WORLD
260 _bREADERS DIGEST
300 _a160
650 _aSCIENCE
942 _cBK
999 _c173220
_d173220