Forest decline and air pollution  a study of spruce (Picea abies) on acid soils 
ed. by E. D. Schulze, O. L. Lange, R. Oren. 
 - Berlin  S-V  1989 
 - xiv, 475p 
 - Ecological studies  77 .
<br/><br/><label>ISBN: </label>3540507930 
<br/><br/><label>Dewey Class. No.: </label>574.5264209433  / N89