1. Sack, W.A. and Bokey, W.R. Biological treatment of coal gasification wastewater. Proceedings of the 33rd Purdue Industrial Waste Conference. pp.278–285.
2. Jones, D.D. Biological treatment of high strength coke‐plant wastewater. Proceedings of the 36th Purdue Industrial Waste Conference. pp.561–570.
3. Ganczarczyk, J. and Elion, D. Extended aeration of coke‐plant effluents. Proceedings of the 33rd Purdue Industrial Waste Conference. pp.895–902.
4. A comprehensive study on the biological treatabilities of phenol and methanol—II the effects of temperature, pH, salinity and nutrients