TY - BOOK AU - Antonie, Ronald L. TI - Fixed Biological Surfaces-wastewater treatment: the rotating biological contactor SN - 0-87819-079-1 U1 - D8665:(G) L6 PY - 1976/// CY - Cleveland PB - CRC Press KW - Surfaces-wastewater treatment N1 - Includes appendixd and index ER -