000 00291nam a2200121Ia 4500
008 240831s9999||||xx |||||||||||||| ||und||
020 _a9788120345003
100 _aGarg, Suresh
245 0 _aWave Optics
260 _aNew Delhi
_bPHI Learning Pvt Ltd
_c2012
300 _a408p.
942 _yBK
999 _c23339
_d23339