000
00286nam a22001217a 4500
020
_a
978-8183564175
022
_a
8183564178
100
_a
S. Singh
245
_a
X-Rays and Wave Mechanics
260
_a
NEW DELHI
_b
DISCOVERY PUBLISHING HOUSE
_c
2019
300
_a
353 PAGES
942
_c
BK
999
_c
4613
_d
4613