CONSTRUCTION AND FINE MAPPING OF RECOMBINANT PLASMIDS CONTAINING THE RRNB RIBOSOMAL RNA OPERON OF E. COLIBROSIUS J; ULLRICH A; RAKER MA et al.1981; PLASMID; ISSN 0147-619X; USA; DA. 1981; VOL. 6; NO 1; PP. 112-118; BIBL. 22 REF.Article

ISOLATION AND RESTRICTION MAPPING OF PLASMIDS CONTAINING RIBOSOMAL DNA SEQUENCES FROM THE RRN B CISTRON OF E. COLIPALMER ML; RAKER MA; KENNEDY PJ et al.1979; MOLEC. GEN. GENET.; DEU; DA. 1979; VOL. 172; NO 2; PP. 171-178; BIBL. 44 REF.Article