000 00198 a2200097 4500
001 5492
100 _aHoustoun,RA
245 _aTreatise on light,A
260 _a
_bLongmans
_c
090 _c4508
_d4508
942 _aNUST-CAE
_cM
_c30832
999 _c240565
_d240565