TY - JOUR A1 - Dandekar, Thomas A1 - Tollervey, David T1 - Mutational analysis of Schizosaccharomyces pombe U4 snRNA by plasmid exchange N2 - No abstract available Y1 - 1992 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-29969 ER -