1. Bahl, S. Wali, J. P., Handa, R., Rattan. A, Aggarwal, P., & Kindo, A. J. (1997) Legionella as a lower respiratory pathogen in north India. Indian J. Chest Dis. Allied Sci.. 39, 81–86.
2. Baty, V., Hoen, B., Schuhmacher, H., Amiel, C., Reyrolle, M., Garin, H., & Canton, P. (1997). Legionella jordanis pneumonia unresponsive to fluoroquinolones in a non-immuno-compromised host. Scand. J. Infect. Dis., 29, 319–320.
3. Benson, R. F., & Fields, B. S. (1998). Classification of the genus Legionella. Semin. Respir. Infect., 13, 90–99.
4. Berbari, E. F, Cockerill, F. R. III, & Steckelberg, J. M. (1997). Infective endocarditis due to unusual or fastidious micro-organisms. Mayo Clinic Proc., 72, 532–542.
5. Bopp, C. A., Sumner, J. W., Morris, G. K., & Wells, J. C. (1981). Isolation of Legionella spp. from environmental water samples by low-pH treatment and use of a selective medium, J. Clin. Microbiol., 13. 714–719.