00333nam a2200097Ia 4500008004100000082001700041245009800058260002300156650002700179650002900206220204s9999    xx            000 0 und d  aNR:33bINT.2 0aInternational rubber forum: 31st Assembly. Bangkok, Thailand. July 1989. V 2. NR and SR latex  aLondonbIRSGc1989  aNatural rubber latices  aSynthetic rubber latices