Author
Bailey, L. H.
2
ICRISAT
2
Lyon, T. Lyttleton
2
Avnimelech, Y.
1
Brady, Nyle C.
1
Buckman, Harry O.
1
Buckman, Harry Oliver
1
Bunting, A. H.
1
C.A.B.International
1
Cambridge University
1
Catholic University of Leuven
1
Chen, Y.
1
Driessen, Pauls
1
Elprince, Adel M.
1
FAO
1
Food and Agricılture Organization of the United Nations
1
Halmes, J. W.
1
Harris, Franklin Stewart
1
International Institute for Aerospace Survey and Earth Sciences (ITC)
1
International Soil Reference and ınformation Centre (ISRIC)
1
Keen, Bernard A.
1
Kennedy, I. R.
1
Krieger Publishing Company
1
Marshall, T. J.
1
Martinus Nijhoff Publishers
1
Nambira, P. T. C.
1
Research Studies Press Ltd
1
Sanchez, Pedro A.
1
Sillanpaa, Nikko
1
Wageningen Agricultural University
1
Yates, Frank
1