1. La préretraite en agriculture 1992–1994. Premier bilan et éléments d'impact structurel;Allaire;Economie Rurale,1996
2. Errington, A., Tranter, R., 1991. Getting Out of Farming? Part Two: the Farmers. Farm Management Unit, University of Reading, Reading:
3. Eurostat, 1997. Agriculture. Annuaire Statistique 1997 European Community, Brussells:
4. Farm succession in the European Community;Fennell;Sociologia Ruralis,1981
5. Gasson, R. and Errington, A. 1993. The farm family business. Wallingford: CAB International.