000 00325nam a2200133Ia 4500
008 170820s9999 xx 000 0 und d
100 _aSUBRAHMANYAM,N , LAL BRIJ & AVDHANULU,M.N.
245 0 _aOPTICS
250 _aN/A
260 _c2012
_aNEW DELHI
300 _a1
999 _c72461
_d72461
005 20230827220830.0
040 _cCentral Library,YSM