1. DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Braunschweig, Germany (approved lists of up-to-date bacterial nomenclature). http://www.dsmz.de/bactnom/bactname.htm.
2. Edwards, and Ewing’s Identification of Enterobacteriaceae;Ewing,1986
3. Identification of Enterobacteriaceae by computerized methods;Holmes,1992
4. Citrobacter, Enterobacter, Klebsiella, Serratia and other members of the Enterobacteriaceae;Holmes,1988
5. Comparison of differential plating media and two chromatography techniques for the detection of histamine production in bacteria;Actis;Journal of Microbiological Methods,1999