Early diagnosis of forest decline :  report of a one-year pilot study / 
J.N. Cape...et. al. 
 - Cumbria, U.K. :  Institute of Terrestrial Ecology,  1988. 
 - 68 p. 
<br/><br/><label>ISBN: </label>1870393074 
<br/><br/><label>LCCN: </label>91016030     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest ecology.<br/>Air--Pollution--Environmental aspects.