000 nam a22 7a 4500
999 _c8395
_d8395
008 180116b ||||| |||| 00| 0 eng d
100 _94803
_aSHARMA.N.K ET AL
245 _aPRACTICAL SCIENCE-X
260 _aNEW DELHI
_bLAXMIC PUB
_c2012