000 00238nam a2200097Ia 4500
008 230508s2011 xx 000 0 und d
041 _aeng
100 _aRAJGOPAL K.
245 _aENGINEERINGS PHYSICS
260 _bPHI LEARNING PVT. LT
_c2011
999 _c728189
_d728189