Niemiecki ekonomista.

Kp. Potential migration from Central and Eastern Europe into the EU-15 : Report of the High-Level Group on the future of social policy in an enlarged European Union : an update : report for the European Commission, DG Employment and Social Affairs / by Patricia Alvarez-Plata, Herbert Brücker, Boriss Siliverstovs. - Luxembourg, 2003.

LCA online

BNF-NA

http://www.diw.de/programme/jsp/MA.jsp?uid=hbruecker&language=en