by Becker, H.G, Vogelsanger, D, Beitz, H
Published in Feldwirtschaft (1974)

by Becker, H.G, Vogelsanger, D, Spaar, D
Published in Feldwirtschaft (1973)

by Fritzsche, R, Hartleb, H, Proeseler, G, Vogelsanger, D
Published in Feldwirtschaft (1977)

by RYF, KURT, HUBER, ALEXANDER DR, FAHRNI, MARKUS, STEINMANN, ALFRED DR, OSSOLA, BRUNO, VOGELSANGER, BEAT DR, JECK-PROSCH, ULRIKE
Year of Publication 18.09.2002

by RYF, KURT, HUBER, ALEXANDER DR, FAHRNI, MARKUS, STEINMANN, ALFRED DR, OSSOLA, BRUNO, JECK-PROSCH, ULRIKE, VOGELSANGER, BEAT DR
Year of Publication 08.03.2011

by RYF, KURT, HUBER, ALEXANDER DR, FAHRNI, MARKUS, STEINMANN, ALFRED DR, OSSOLA, BRUNO, VOGELSANGER, BEAT DR, JECK-PROSCH, ULRIKE
Year of Publication 06.10.2010

by RYF, KURT, STEINMANN, ALFRED, HUBER, ALEXANDER DR, FAHRNI, MARKUS, OSSOLA, BRUNO, VOGELSANGER, BEAT DR, JECK-PROSCH, ULRIKE
Year of Publication 18.09.2002