by van Duin, W.E., Rozema, J., Ernst, W.H.O.
Published in Agriculture, ecosystems & environment (1990)

by Estaun, M.V.
Published in Agriculture, ecosystems & environment (1990)

by Michelsen, A., Rosendahl, S.
Published in Agriculture, ecosystems & environment (1990)

by Schaffers, A P, Termorshuizen, A J
Published in Agriculture, Ecosystems & Environment. 1990 (01.01.1990)

by Přikryl, Z., Přikrylová, D., Votruba, J.
Published in Agriculture, ecosystems & environment (1990)

by von Alten, Henning, Roβbach, Beate
Published in Agriculture, ecosystems & environment (1990)

Published in Agriculture, Ecosystems & Environment. 1990 (01.01.1990)