TY  - BOOK
AU  - United Nation, Government Of .... Economic Commission for Eurpoe
ED  - United Nation, Government Of .... Economic Commission for Eurpoe
TI  - State of transboundary air pollution:  1989 update   
U1  - D854.1.N8, M6;N0 
PY  - 1990///
CY  - New York
PB  - United Nation U S A     
KW  - Computer Science
ER  -