000 00286nam a22001217a 4500
020 _a978-8183564175
022 _a8183564178
100 _a S. Singh
245 _aX-Rays and Wave Mechanics
260 _aNEW DELHI
_bDISCOVERY PUBLISHING HOUSE
_c2019
300 _a353 PAGES
942 _cBK
999 _c4613
_d4613