TY - BOOK AU - Gerardi,Michael H. TI - Microscopic examination of the activated sludge process SN - 9780470050712 AV - TD756 G2 PY - 2008/// CY - Hoboken, N.J PB - Wiley KW - Sewage KW - Purification KW - Activated sludge process KW - Sewage sludge KW - Characterization KW - Microscopy KW - Microorganisms KW - Water KW - Microbiology ER -