Oehl F., Jansa, J., Ineichen, K., Mäder, P., van der Heijden M.
 Agrarforschung Schweiz, 2, (7-8), 2011, 304-311. 
 other Languages: french 
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 ISSN Print: 1663-7852
 Call Number: ART 2011-241
 Publication-ID (Web Code): 27046    Sending by e-mail