00453nam a2200121Ia 4500008004100000100002100041245003800062260010600100650001900206942000700225999001700232952008200249220216s9999    xx            000 0 und d  aSulkowski George 0aRubber trading in the new century  bProceedings of the International Rubber Forum Boca Del Rio, Veracruz, Mexico 7-8 October 1999.p93-100  aRubber trading  cJS  c68083d68083  00104078aMAINbMAINc2d2021-12-17l0r2021-12-17 00:00:00w2022-02-16yJS