000 00262nam a2200109Ia 4500
008 180108s2017 xx 000 0 und d
100 _aM.N. Avadhanulu,
245 2 _aA Text Book of Optics
700 _aBrij Lal N.
700 _aSubrahmanyam
942 _2ddc
_cBK
999 _c129630
_d129630