1. Besemer J, Herpers M (1977) Suppression of polarity of insertion mutations within the gal operon of E. coli. Mol Gen Genet 151:295–304
2. Close T, Rodriguez R (1982) Construction and characterization of the chloramphenicol-resistance gene cartridge: a new approach to the transcriptional mapping of extrachromosomal elements. Gene 20:305–316
3. de Crombrugghe B, Adhya S, Gottesman M, Pastan I (1973) Effect of rho on transcription of bacterial operons. Nature New Biol 241:260–264
4. Das A, Court D, Gottesman M, Adhya S (1977) Polarity of insertion mutations is caused by Rho-mediated termination of transcription. In: Bukhari AI, Shapiro JA, Adhya SL (eds) DNA insertion elements, plasmids and episomes. Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, pp 93–97
5. Friedman DI, Gottesman M (1983) Lytic mode of lambda development. In: Hedrix RW, Roberts JW, Stahl FW, Weisberg RA (eds) Lambda II. Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, pp 21–51