1
Advances in soil organic matter research: the impact on agriculture and the environment : advances in soil organic matter research: the impact on agriculture and the environment: joint meeting: proceedings : Colchester, 03.09.90-04.09.90 /
Book
2
Soil micromorphology : International working meeting on soil micromorphology 0002: proceedings : Arnhem, 22.09.64-25.09.64.
Book
...GNA - Geology - soil sciences...