00350nam a2200097Ia 4500008004100000100001300041245005600054260010000110650001300210650002900223220216s9999    xx            000 0 und d  aSooi N C 0aMarketing of natural rubber- Changes and challenges  bProceedings of the International Rubber Conference, Kuala Lumpur, Malaysia, V.3. 1985; p471-498  aMalaysia  aNatural rubber marketing