000 00299nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aNair V.K.B.
245 0 _aResearch on natural rubber
260 _bRubber Board Bulletin
_c1980-81
300 _a6-Jan
650 _aRubber research
942 _cBS
999 _c51130
_d51130