@INBOOK {ABELE:2004b,
title = {Introduction, subsistence agriculture in Central and Eastern Europe: how to break the vicious circle? Studies on the Agricultural and Food Sector in Central and Eastern Europe},
author = {Abele, S. and Frohberg, K. },
year = {2004},
volume = {22},
pages = {1--7},
publisher = {IAMO},
address = {Halle/Saale, Germany},
}