Author
Sinclair, John
2
Adams, George
1
Aspinall, Richard
1
Auerbach, Raymond
1
Baxter, David
1
Cotes, John
1
DiEuliis, Diane
1
English, John
1
Fairhurst, Thomas
1
Fullarton, William
1
Gorman, Julian
1
Mann, Stefan
1
Mortimore, Michael
1
Murch, Randall
1
Mussatto, Solange I.
1
Pearson, Diane
1
Pinstrup-Andersen, Per
1
Tiffen, Mary
1
Union agricole d'Afrique
1
Wallis, J. A. N.
1