000 00353nam a2200157Ia 4500
008 191001s9999 xx 000 0 und d
020 _a0000004206
082 _a535.2
100 _aMathur D.S
245 0 _aOptics
260 _aDelhi
_bRamchand & Co.,
_c1970
536 _aManagement
650 _aCivil Engineering
650 _aOptics
942 _cBK
999 _c2352
_d2352