Varela Joäo C S, Mager Willem H
Department of Biochemistry and Molecular Biology, Institute for Molecular Biological Sciences, BioCentrum Amsterdam, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands.
Microbiology (Reading). 1996 Apr;142 ( Pt 4):721-731. doi: 10.1099/00221287-142-4-721.