1. B.R. Fidler, K.L. Sublette, G.E. Jenneman, G.A. Bala. A novel approach to hydrogen sulfide removal from natural gas. Society of Petroleum Engineers (SPE), No. 81203, 2003.
2. Biotechnological sulphide removal from effluents;Buisman;Water Sci. Technol.,1991
3. Biofiltration of high concentration of hydrogen sulphide using Thiobacillus thioparus;Oyarzun;Process Biochem.,2003
4. A.L. Kohl, F.C. Riesenfelo. Gas purification. Campbell Petroleum Series, 4th ed., 1985.