Effects of long-range transboundary air pollution /  Report prepared within the framework of the convention on long-range transboudary air pollution. / 
Economic Commission for Europe. 
 - Geneva ;  New York :  United Nations ,  1997. 
 - numbers 
 - ECE/EB.AIR  51, 62 .
<br/><br/> N. 13 (1997, 53 p.)  N. 14 (1999, 25 p.) 
<br/><br/><label>ISBN: </label>92-1-116665-9(13) 92-1-116711-6 (14) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air polluttion