TY  - BOOK
AU  - Langan, Simon J
TI  - The impact of nitrogen deposition on natural and semi-natural ecosystems
SN  - 9780412810404
SN  - 99029975
U1  - 577.275711 LAN 
PY  - 1999///
CY  - Dordrecht ; Boston, MA
PB  - Kluwer Academic
KW  - Atmospheric deposition
KW  - Nitrogen compounds - Environmental aspects
N1  - Includes bibliographical references and index
ER  -