1. Combined effects of cadmium and nickel on the activated sludge process;Bagby;J. Water Pollut. Control Fed.,1981
2. Effect of toxicants on biological nitrification for treatment of fertilizer industry wastewater;Beg,1981
3. Treatment of sulfite evaporator condensate with an anaerobic reactor;Benjamin;Tappi,1982
4. Enhanced biological treatment system for coke plant wastewater achieving complete nitrification;Bhattacharyya,1981
5. Improved settling of wastewater in the activated sludge process using bacterial augmentation;Blair;Tappi,1982