Seed orchards :  a joint production by specialist members of the International Union of Forest Research Organization's Working Party on Seed Orchards (S.2.03.3) / 
edited by Roy Faulkner. 
 - London  HMSO  1975. 
 - xiii, 149 p., [12] p. of plates :  ill. ;  24 cm. 
 - Forestry Commission bulletin  no. 54. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tree breeding.<br/>Seed Orchards.