1. Abella, C., Montesinos, E. & Guerrero, R. 1980. Field studies on the dynamics of competition for available light between purple and green sulfur bacteria. (This volume.)
2. Bergstein, T., Henis, Y. & Cavari, B. Z. 1979. Investigations on the photosynthetic sulfur bacterium Chlorobium phaeobacteroides causing seasonal blooms in Lake Kinneret. Can. J. Microbiol. 25: 999–1007.
3. Broch-Due, M., Ormerod, J. G. & Fjerdingen, B. S. 1978. Effect of light intensity on vesicle formation in Chlorobium. Arch. Microbiol. 116: 269–274.
4. Golterman, H. L., Stringer, R. & Ohnstad, M. A. M. (eds). 1978. Methods for physical and chemical analysis of fresh water. Blackwell, 2nd ed.
5. Guerrero, R., & Abella, C. 1978. Dinámica espaciotemporal de las poblaciones bacterianas fotosintéticas en una laguna anaerobia de aguas sulfurosas. Oecol. aquatica 3: 193–205.