Balram Panigrahi
A. J. Haverkort
Roy Luther Donahue
Unknown Author
S. Jurgens
Muhammad Ashraf
Earthscan
Sardar Riaz Ahmad Khan
Charles Burt
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Western Provinces Conference Rationalization of Soil and Water Research and Management (5th 1986 Calgary, Alta.)
C. Kirda
M. K. V. Carr
Ian P. Cumbus
Forest, Francis ingénieur agronome.