TY - BOOK AU - Jenssen,Peter D. AU - Mander,Ulo TI - Constructed wetlands for wastewater treatment in cold climates T2 - Advances in ecological sciences SN - 1853126519 AV - TD756.5 .C69 2002 PY - 2002/// CY - Southampton PB - WIT KW - Constructed wetlands KW - Cold weather conditions KW - Sewage KW - Purification KW - Biological treatment ER -