1. Baltzis, B. C. and Z., Shareefdeen, “Biofiltration of VOC Mixtures: Modelling and Pilot Scale Experimental Verification”, presented at 87th Annual Meeting and Exhibition, J. Air Waste Management Association, June 19-24, Cincinnati, OH (1994).
2. Bioprccessing of Organic Gases in Waste Air;Bohn;J. Am. Chem. Soc.,1993
3. Soil Beds Weed out Air Pollutants;Bohn;Chem. Eng. (New York),1988
4. Biological Purification of Waste Gases;Brauer;Int. Chem. Eng.,1986
5. Cox, H. H. J., H. J., Doddema and W. Harder, “Application of Styrene-Degrading Fungi in Biofilters”, in “Proc. Int. Conf. Precis. Process Technol.”, M.P.C. Weijnen and A. A. H. Drinkenburg, Eds., Inst. Environ. Sci., Delft The Netherlands (1993), pp. 671-674.