Authors: D L Roberts; J E James-Hagstrom; D K Garvin; C M Gorst; J A Runquist; J R Baur; F C Haase; S W Ragsdale Journal: Proc Natl Acad Sci U S A Date: 1989-01 Impact factor: 11.205
Authors: B W te Brömmelstroet; C M Hensgens; W J Geerts; J T Keltjens; C van der Drift; G D Vogels Journal: J Bacteriol Date: 1990-02 Impact factor: 3.490