000 00346nam a2200157Ia 4500
008 210210b1989 xxu||||| |||| 00| 0 eng d
082 _a535 SATO
100 _aSATYA PRAKASH.
245 _aOptics.
250 _a
260 _aAgra
_bRatan Prakashan Mandir
_c1989
300 _ax,555
650 _aOptics
690 _aOptics
906 _a048030
999 _c96967
_d96967