00307nam a2200097Ia 4500008004100000100001700041245005800058260006600116300001000182700001700192220214s9999    xx            000 0 und d  aPoliniere JP 0aMiniaturisation of mineral nutrition studies on hevea  bNatural Rubber Conference, Kuala Lumpur, 1968, Preprintc1968  a8-Jan  aVan Brandt H