Roulund, Hans. <br/><br/>
Tree improvement at family at indvidual level / 
compiled by Hans Roulund and Kirsten Olesen. 
 - Copenhagen :   Danida Forest Seed Centre,   1992. 
 - 14 p. ;   30 cm. 
 - Lecture note ;   D - 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Tree breeding.