Ouden, P. den  1874-1964 <br/><br/>
Manual of cultivated conifers  hardy in the cold-and warm-temperate zone 
by P. den Ouden, in collaboration with B.K. Boom 
 - 3rd ed. 
 - The Hague  M. Nijhoff  1982 
 - x, 520 p.  ill.  24 cm. 
 - Forestry sciences .
<br/><br/> Includes indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ornamental conifers<br/>Conifers<br/>Ornamental conifers--Varieties<br/>Conifers--Varieties
<br/><br/><label>Dewey Class. No.: </label>635.9  / 752