by Haas, Guido, Wetterich, Frank, Köpke, Ulrich
Published in Agriculture, ecosystems & environment (2001)

by Haas, Guido
Year of Publication 2001

by Haas, Guido, Wetterich, Frank, Geier, Uwe
Published in The international journal of life cycle assessment (01.11.2000)

by Haas, Guido, Deittert, Christine, Köpke, Ulrich
Published in Livestock science (01.02.2007)

by Haas, Guido, Berg, Martin, Köpke, Ulrich
Year of Publication 1998

by Haas, G, Brand, H, Vega, M.P. de la
Published in Biological agriculture & horticulture (2007)

by Haas, Guido
Published in German journal of agricultural economics (2005)

by Haas, Guido
Published in German Journal of Agricultural Economics (2005)

by Haas, Guido
Published in German journal of agricultural economics (01.01.2005)

by Haas, Guido
Published in German journal of agricultural economics (2005)

by MAIER,URS, GUIDO HAAS,MANFRED
Year of Publication 21.05.1987

by HAAS THOMAS,STOCHNIOL GUIDO,JAHN ROBERT
Year of Publication 18.04.2007

by MAIER, URS, HAAS, MANFRED GUIDO
Year of Publication 15.12.1988

by HAAS, MANFRED GUIDO, 3432 GROSALMERODE, DE, MAIER, URS, WINTERTHUR, CH
Year of Publication 01.06.1995