Jan P., Lips M., Dumondel M. Total factor productivity change of Swiss dairy farms in the mountain region in the period 1999 to 2008. Review of Agricultural and Environmental Studies, 93, (3), 2012, 273-298. Link: raestud Signatur: ART 2012-484 Publikations-ID (Webcode): 31309 Link kopieren Per E-Mail versenden