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 colloids and their associations in aggregates : NATO advanced research workshop on soil colloids and their associations in aggregates: proceedings : Gent, 01.09.84-07.09.84 /
Book
3
Future developments in soil science research : a collection of SSSA golden anniversary contributions presented at the annual meeting in New Orleans, LA, 30 Nov.-5 Dec. 1986 /
Book