1. & Multiprocess treatment of textile wastewater. In Proceedings of the 35th Industrial Waste Conference, Purdue University, Lafayette, IN, 1980, p. 151.
2. & Treatment of dye and pigment processing wastewater by the activated sludge process. In Proceedings of the 37th Industrial Waste Conference, Purdue University, Lafayette, IN, 1982, p. 677.
3. & Activated sludge with powdered activated carbon treatment of dyes and pigments processing wastewater. In Proceedings of the 38th Industrial Waste Conference, Purdue University, Lafayette, IN, 1983, p. 659.
4. Color removal by adsorption. American Dyestuff Reports, March (1980) 38.