1. Standard Methods for the Examination of Water and Wastewater;American Public Health Association,1985
2. Rendering, the Invisible Industry;Burnham,1978
3. Anaerobic treatment in a sludge bed system compared with a filter system;Frostel;J. WPCF,1981
4. Optimization of water management and associated energy in a meat packing plant;Hansen;Trans. ASAE,1984
5. Feasibility of the upflow anaerobic sludge blanket (UASB) process for the treatment of low-strength wastes;Lettinga,1981