1. The demonstration of types of B. typhosus by means of preparations of type II Vi phage;Craigie;Can. Pub. Health J.,1938
2. Polar mutations in lac, gal and phage λ consist of a few IS-DNA sequences inserted with either orientation;Fiandt;Mol. Gen. Genet.,1972
3. Bacterial insertion sequences;Galas,1989
4. Distribution of DNA insertion element IS5 in natural isolates of Escherichia coli;Green,1984
5. Two kinds of insertions in bacterial genes;Hirsch;Mol. Gen. Genet.,1972