Proceedings 

 - The Hague :  International Society for Horticultural Science,  1981 
 - 67 p. 
 - Acta Horticulturae  ; 105 .
 - Acta Horticulturae  ; 105 .
<br/><br/><label>LCCN: </label>57174 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Horticultura.