000 00277nam a22001217a 4500
020 _a 978-8183561143
022 _a8183561144
100 _aR. K. Verma
245 _aWave Optics
260 _aNEW DELHI
_bDiscovery Publishing Pvt.Ltd
_c2019
300 _a321 PAGES
942 _cBK
999 _c4609
_d4609