Taniguchi T, Palmieri M, Weissmann C
Nature. 1978 Jul 20;274(5668):223-8. doi: 10.1038/274223a0.
Hybrid plasmids consisting of PCRI and a complete DNA copy of the RNA genome of coli.phage QB, inserted in either orientation, elicit the formation of phage QB when introduced into Escherichia coli