000 00282nam a22001217a 4500
020 _a‎ 978-8183561235
022 _a8183561233
100 _a R. K. Verma
245 _aPolarization
260 _anew delhi
_bDiscovery Publishing Pvt.Ltd
_c2019
300 _a321 pages
942 _cBK
999 _c4612
_d4612