TY - BOOK AU - Lettinga,G. TI - Granular anaerobic sludge: microbiology and technology : proceedings of the GASMAT - workshoop Lunteren, Netherlands, 25-27 October, 1987 SN - 902200936x PY - 1988/// CY - Wageningen PB - Pudoc KW - Bacteria, Anaerobic KW - Congresses KW - Sewage sluge digestion ER -