000 00310nam a2200085Ia 4500
008 220203s9999 xx 000 0 und d
245 0 _aNatural Rubber: An Ecofriendly Material. International Seminar, 6 September 1996, Trivandrum, India
260 _bRubber Research Institute of India
_aKottayam
_c1996
942 _cPN
999 _c45219
_d45219