1. Skeleton builders for conditioning oily sludge;Zall;J. Water Pollut. Control Fed.,1987
2. Fine-coal-aided centrifugal dewatering of waste activated sludge;Albertson;J. Water Pollut. Control Fed.,1983
3. B. Sander, H. Lauer, M. Neuwirth, Process for producing combustible sewage sludge filter cakes in filter presses, US Patent 534681 (1989), 7 pp.
4. Recycling of wood chips and wheat dregs for sludge processing;Lin;Bioresour. Technol.,2001
5. Optimization technique for sewage sludge conditioning with polymer and skeleton builders;Benitez;Water Res.,1994