Author | Popularity |
Willer, H. |
4 |
International Federation of Organic Agriculture Movements, Tholey-Theley (Germany) eng |
2 |
Stiftung Oekologie und Landbau, Bad Durkheim (Germany) ger |
2 |
Yussefi, M. |
2 |
Behl, R.K. (ed.) |
1 |
Bundesforschungsanstalt fuer Landwirtschaft, Braunschweig (Germany) oth |
1 |
El Bassam, N. (ed.) |
1 |
FAO, Rome (Italy) eng |
1 |
FAO, Rome (Italy). Regional Office for Europe eng |
1 |
Krell, R. (ed.) |
1 |
Prochnow, B. (ed.) |
1 |
Research Inst. of Organic Agriculture, Frick (Switzerland) eng |
1 |
SREN Workshop on Research Methodologies in Organic Farming eng 30 Sep - 3 Oct 1998 1 Frick (Switzerland) |
1 |
Zanoli, R. (ed.) |
1 |
Zerger, U. |
1 |