TY - EJOUR T1 - Imbi Sooman, Stefan Donecker (Hgg.): The “Baltic frontier” revisited. Power structures and cross-cultural interactions in the Baltic Sea region. AU - Hackmann, Jörg PY - 2011 LA - ger PB - Humboldt-Universität zu Berlin DO - http://dx.doi.org/10.18452/8068 ER -