Sheppard, L J <br/><br/>
Effects of acid mist on mature grafts of Sitka spruce. Part I. Frost hardiness and foliar nutrient concentrations.  [electronic resource] 

 -  Environmental pollution (Barking, Essex : 1987)  1994 
 - 229-38 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0269-7491 
<br/><br/><label>Standard No.: </label>10.1016/0269-7491(94)90089-2  doi