000 00439 a2200157 4500
082 _a620.11295
_bIn2
245 1 _aOPTICAL BEHAVIOUR OF MATERIALS
_cINDO-FRENCH SEMINAR ON OPTICAL BEHAVIOR OF MATERIALS (1971 : I. I. T., DELHI)
260 _aDelhi
_bThomson Press
_c1973
300 _a493
650 _aMaterials -- Congresses
700 _aChopra, Kasturi L.
700 _a
906 _h1971
964 _gCIRC
997 _aA25524 s C
999 _c460973
_d460973