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by World Association of Soil and Water Conservation.; Hudson, Norman.;
Year: 1993., Callno: 631.459:631.61(6) WOR
Book
by World Association of Soil and Water Conservation.; Sanders, David W.;
Year: 1999., Callno: 631.459:631.61 INC
Book
by Soil and Water Conservation Society.; Shaxson, T. F.; World Association of Soil and Water Conservation.;
Year: c1989., Callno: 631.6 LAN [Q]
Book
by Soil Science Society of America.; Lal, R.; World Association of Soil and Water Conservation.; Soil and Water Conservation Society.; Peirce, F. J.;
Year: c1991., Callno: 631.4 SOI
Book
by Hurni, Hans.; International Soil Conservation Organization.; Geographica Bernensia.; World Association of Soil and Water Conservation.; International Soil Conservation Conference (6th : 1989 : Ethiopia and Kenya) more...
Year: c1992., Callno: 631.459:631.61 INT
Book