000 00302nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a535
082 _bS14T
100 _a"Subrahmanyam,N."
245 0 _aOptics
260 _aNew Delhi
260 _bS.Chand
260 _c1990
300 _a"xv,612"
999 _c29462
_d29462