TY - BOOK ID - 6337063 TI - Environmental policy. 3 : Water quality AU - Tolley, George S. AU - Yaron, Dan PY - 1983 SN - 0884106322 9780884106326 PB - Cambridge (Mass.): Ballinger DB - UniCat KW - 504.4 KW - 614.777 KW - Hydrospheric environment KW - Water. Hygiene of water KW - 614.777 Water. Hygiene of water KW - 504.4 Hydrospheric environment UR - https://www.unicat.be/uniCat?func=search&query=sysid:6337063 AB - ER -