1. Ribosomal DNA sequences and gene interruptions in Drosophila;Barnett,1978
2. The arrangement of simian virus 40 sequences in the DNA of transformed cells;Botchan;Cell,1976
3. Integration of eukaryotic genes for 5S RNA and histone proteins into a phage lambda receptor;Clarkson;Nucl. Acids Res.,1976
4. Supercoiled circular DNA-protein complex in Escherichia coli: purification and induced conversion to an open circular DNA form;Clewell,1969
5. Sequences homologous to ribosomal insertions occur in the Drosophila genome outside the nucleolus organizer;Dawid,1977