000 00294nam a2200121Ia 4500
008 240601s2019 xx 000 0 eng d
041 _aENG
082 _aAGG
100 _aAggarwal,Neha Vadi,Vikas Rao,
245 0 _aPhysics
260 _aNew Delhi
_bGalgotia Publishing
_c2019
942 _2ddc
_cREF
999 _c1796
_d1796