http://opac.fvnl.org/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Ritterfeld%2C%20Marja%22&sort_by=relevance&format=rss 6 0 50 ISBN: http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=1399 By Ritterfeld, Marja.
2001 .
1 CD ; 12 cm

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]]> http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=1399 ISBN: http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=1398 By Ritterfeld, Marja.
2001 .
103 S. : Ill., graph. Darst., Kt.

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]]> http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=1398 ISBN: http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=1397 By Ritterfeld, Marja.
2001 .
106 S. : Ill., graph. Darst.

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]]> http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=1397 ISBN: http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=3041 By Ritterfeld, Marja.
2001 .
1 CD ; 12 cm

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]]> http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=3041 ISBN: http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=3040 By Ritterfeld, Marja.
2001 .
103 S. : Ill., graph. Darst., Kt.

]]> Place hold on Kaas met gaten

]]> http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=3040 ISBN: http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=3039 By Ritterfeld, Marja.
2001 .
106 S. : Ill., graph. Darst.

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]]> http://opac.fvnl.org/cgi-bin/koha/opac-detail.pl?biblionumber=3039