000 00265nam a2200121Ia 4500
008 220601s2007 xx 000 0 eng d
100 _aTHYAGRAJAN,K.
245 0 _aLASERS
250 _a1st Ed.
260 _c2007
_aNew Delhi
_bMCM
300 _a431
942 _2ddc
_cBTECH
999 _c958
_d958