000 00346nam a2200157Ia 4500
003 HQRS
005 20180126052335.0
008 170117s2017 xx 000 0 eng d
040 _aHQRS
_beng
_cHQRS
041 _heng
110 _aCGCRI, Calcutta
245 _aOptical materials
260 _aCalcutta:
_bCGCRI
365 _bcomp.
942 _cLP
999 _c30720
_d30720