@PHDTHESIS {ABELE:2003a,
title = {Social security systems and demographic developments in agriculture in the CEE candidate countries},
author = {Abele, S. and Frohberg, K. and Hartmann, M. and Matthews, A. and Weingarten, P. },
year = {2003},
school = {European Economic. Directorate General for Agriculture},
note = {European Commission-Directorate General for Agriculture, Brussels, Belgium},
}