Proceedings of the Eighteenth Meeting of the Canadian Tree Improvement Association, Part 2 :  symposium on seed orchards and strategies for tree improvement / 
editors: D.F.W. Pollard, D.G.W. Edwards and C.W. Yeatman. 
 - Ontario :  Canadian Forestry Service,  1982. 
 - 195 p. 
<br/><br/> Text also in French. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seed orchards.<br/>Tree breeding.