TY  - RPRT
AU  - Global Environment Monitoring System
AU  - United Nations Environment Programme
AU  - Rockefeller Foundation
AU  - Monitoring and Assessment Research Centre
A4  - Wallen, C. C.
PY  - 1980
SN  - 0 905918 193
UR  - https://wedocs.unep.org/handle/20.500.11822/28016
LA  - English
A3  - Monitoring and Assessment Research Centre
KW  - precipitation
KW  - nitrate
TI  - A Preliminary Evaluation of WMO-UNEP Precipitation Chemistry Data: MARC Report Number 22
M3  - Technical report
ER  -