000 00376nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a535
082 _bSUB
100 _a"Subrahmanyam, N."
245 2 _aA Text Book of Optics.
250 _aTwenty Fifth.
260 _aNew Delhi
260 _bS. Chand
260 _c2015
300 _a"xx,- 729"
999 _c51226
_d51226