000 00258 a2200121 4500
080 _a6(063)(54)
_bC 855 G
245 1 _aWorking group, 3
260 _aNew Delhi
_bC.S.I.R.
_c1966
650 _aResearch
650 _aIndustry
100 _a
_d
901 _a120588
999 _c75853
_d75853