Bibiliography
1. Manual of Clinical microbiology By Patrick R Murray, Ellen Jo Baron, James. H. Jorgensen, Michael A Pfaller, Robert H Yolken.
2. Functional Food Product Development By Jim Smith.
3. Maintaining cultures for biotechnology and industry By Jennie C. Hunter-Cevera, Angela Belt.
4. The Prokaryotes: Symbiotic associations, biotechnology, applied microbiology By Martin Dworkin.