000 00321nam a2200121Ia 4500
008 191201s2014 xx 000 0 und d
100 _aHELFAND, Lewis
245 0 _aThey Changed the World Edison Tesla Bell
260 _bKALYANI NAVYOG MEDIA PVT LTD
_c2014
300 _a98
650 _aGeneral Books
942 _2ddc
_cBK
999 _c6788
_d6788