00333nam a2200097Ia 4500008004100000082004500041100001400086245008000100260004700180300000800227140113s9999    xx            000 0 und d  a"632.954""1971.06.07/12""(082.2)   L3.1"  aAnonymous  aProceedings of the 3rd Asian Pacific Weed Sciences Society Coference vol. I  a1973bEditorial Services Ltd.cNew Zealand  a225