000 00282nam a2200109Ia 4500
008 220516s1999 xx 000 0 und d
041 _aeng
082 _a545.4 THY/LAS
100 _aThyagarajan,K.
_9836291
245 _aLasers
260 _aNew Delhi
_bMc- Graw hill Publications
_c1999
999 _c585100
_d585100