000 00286 a2200133 4500
082 _a607.2
_bG335w
245 1 _aWORKING GROUP
260 _aNew Delhi
_bCsir
_c1966
300 _a
500 _aGroup No. 12
650 _aResearch, Industrial
964 _gCIRC
997 _aA44580 s C
999 _c461750
_d461750