TY - JFULL ID - 133641801 TI - IUVA news PY - 1999 PB - Ashton, Md. : Washington, D.C. : Bethesda, Md. : International Ultraviolet Association International Ultraviolet Association International Ultraviolet Association DB - UniCat KW - Sewage KW - Water KW - Purification KW - Ultraviolet treatment. KW - Purification. UR - https://www.unicat.be/uniCat?func=search&query=sysid:133641801 AB - ER -