Hartig, Robert. <br/><br/>
Important diseases of forest trees :  contributions to mycology and phytopathology for botanists and foresters / 
by Robert Hartig. 
 - Minnesota :  The American Phytopathological Society,  1975. 
 - 120 p. :  ill. ;  24 cm. 
 - Phytopathological classics  no.12. .
<br/><br/> English translation by William Merrill ... (et.al.). 
<br/><br/><label>ISBN: </label>0890540136 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Diseases and pests.