The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

The European Bibliography of Slavic and East European Studies (EBSEES) collects books, journal articles, reviews and dissertations from Eastern Europe (former countries of Eastern Bloc) which were published in Belgium, Germany, Finland, France, Great Britain, the Netherlands, Austria and Switzerland from 1991 to 2007. The segment "Literature" and "Culture" of the European Bibliography of Slavic and East European Studies contains 18.000 bibliographic entries (from the total asset of 85.000). More information can be found here.

Your search for Nörgård-Sörensen, Jens provides 2 hits
1	Coherence theory: the case of Russian Nörgård-Sörensen, Jens, Berlin etc., Mouton de Gruyter, 1992, ix+222 p.
2	Tense, aspect and verbal derivation in the language of the Novgorod birch bark letters Nörgård-Sörensen, Jens, in: Russian Linguistics, 21(1), 1997, p. 1-21

The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

Coherence theory: the case of Russian

Tense, aspect and verbal derivation in the language of the Novgorod birch bark letters