1. Special Report. Sludge composting trends and opportunities. Water & Waste Treatment, 1995, 38(11): 44-47.
2. The heavy metals in sewage sludge;Lot termoser;Ambio,1995
3. Composting of sew age sludge in a rotating vessel;Furhacker;Wat. Sci. Tec h,1995
4. Biosolids composting makes healthy progress;Goldstein;Bio Cycle,1993
5. 1994 bio solids survey;Goldstein;Bio Cycle,1994