00469nam a2200109Ia 4500008004100000100001400041245007800055260017700133650001000310650001600320650002300336220216s9999    xx            000 0 und d  aAlliang J 0aGeo-ecological study of rubber tree cultivation at high altitude in China  bProceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p19-46Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p117-130  aChina  aGeo-ecology  aRubber cultivation