Wallen, C. C. <br/><br/>
A preliminary evaluation of WMO-UNEP precipitation chemistry data / 
by C. C. Wallen. 
 - London :  Monitoring and Assessment Research Centre, Chelsea College, University of London,   1980. 
 - 14 p. :  ill. ;  21 cm. 
 - MARC report ;  no. 22 .
<br/><br/> A technical report (1980).  Prepared by: Global Environmental Monitoring System and Monitoring and Asses sment Research Centre, Chelsea College, University of London. 
<br/><br/><label>ISBN: </label>0905918193 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precipitation (Chemistry).