000
00252nam a2200109Ia 4500
999
_c
21510
_d
21510
020
_a
8185198802
100
_a
Das P
245
_a
Lasers and Optical Engineering
260
_c
1992
_b
NAROSA PUBLISHING HOUSE
_a
New Delhi
300
_a
xvi+470
942
_c
BK