TY  - BOOK
TI  - The state of transboundary air pollution: 1989 update : report prepared within the framework of the Convention on Long-range Transboundary Air Pollution
SN  - 9211164893
PY  - 1990///
CY  - New York
PB  - United Nations
KW  - Air
KW  - Pollution
KW  - Europe
N1  - "ECE/EB.AIR/25"; Includes bibliographies
ER  -