Results: 1-120 of 200819
International Commission on Irrigation and Drainage : Permanent Committeeon the application of systems analysis to irrigation, drainage and flood control
International animal feed symposium <1959
Seminar on irrigation water management and land drainage <1978
FAO : Soils resources, management and conservation service
Agricultural congress <1977
Academy of Agricultural Sciences <Bulgaria>
Commissione europea
FAO : Soils resources, management and conservation service
Borghi, Paolo <1942- >
Borghi, Paolo <1942- >
Hermanides, Gerda
Congress of the international association for hydraulic research <15. ; 1973
Symposium on Nature conservation as a form of land use <1971
International conference on urban storm drainage <4. ; 1987
Du Pont de Nemours : Explosives department
Tennessee Valley authoryity
Tennessee Valley authoryity
International conference on urban storm drainage <6. ; 1993
PTRC Summer annual meeting <1976
The Challenger Society
Easter school in agricultural science <4. ; 1957
Stavis, Benedict
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