000
00255nam a2200121Ia 4500
008
220201s2017 xx 000 0 eng d
100
_a
Ghatak, Ajoy
245
0
_a
Optics
250
_a
6
260
_a
new delhi
_b
MGH
_c
2017
300
_a
424
942
_2
ddc
999
_c
64298
_d
64298