000
00282nam a2200109Ia 4500
008
220516s1999 xx 000 0 und d
041
_a
eng
082
_a
545.4 THY/LAS
100
_a
Thyagarajan,K.
_9
837022
245
_a
Lasers
260
_a
New Delhi
_b
Mc- Graw hill Publications
_c
1999
999
_c
585817
_d
585817