TY - GEN ED - Great Britain. ED - GEMS Monitoring and Assessment Research Centre. ED - International Council of Scientific Unions. ED - United Nations Environment Programme. ED - World Resources Institute. TI - Environmental data report T2 - [1991/92-]: Blackwell reference SN - 0631156844 SN - 0956-9324 AV - GE1 .E535 1987 U1 - 363.7/063 20 PY - 1987///- CY - Oxford, UK, New York, NY PB - Basil Blackwell KW - United Nations Environment Programme KW - Environmental monitoring KW - Statistics KW - Periodicals KW - Environmental sciences KW - Environmental Health KW - Environmental Monitoring KW - Environmental Pollution ER -