1. Standard Methods for the Examination of Water and Wastewater;APHA,1975
2. Standard Methods for the Examination of Water and Wastewater;APHA,1985
3. Effect of pH on inorganic carbon uptake in algal cultures;Azov;Appl. Envir. Microbiol.,1982
4. Performance and operating parameters of a photobioreactor;Buelna,1988
5. The autotrophic growth of Spirulina platensis in mass culture. Animal waste treatment and utilization;Chiu,1980