000 00328nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aJacob K.T.
245 0 _aRubber research: Progress and prospects of development
260 _bRubber Board Bulletin
_c1965-66
300 _a132-139
650 _aRubber research
942 _cBS
999 _c51268
_d51268