TY - RPRT T1 - Inventory of information sources on chemicals Persistent Organic Pollutants Y1 - 1999 A1 - UNEP PB - United Nations Environment Programme ER - TY - CONF T1 - Environmental effects of ozone depletion: 1998 assessment T2 - UNEP Y1 - 1998 A1 - UNEP JF - UNEP CY - Nairobi UR - http://www.gcrio.org/ozone/toc.html ER -