/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Nolker%2C%20%20Helmut%22&sort_by=relevance&format=rss 3 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=18537 By Nolker, Helmut.

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=18538 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=20218 By Nolker, Helmut.

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