000
00262nam a2200109Ia 4500
008
180108s2017 xx 000 0 und d
100
_a
M.N. Avadhanulu,
245
2
_a
A Text Book of Optics
700
_a
Brij Lal N.
700
_a
Subrahmanyam
942
_2
ddc
_c
BK
999
_c
129630
_d
129630