Holland bulb forcer's guide / 
prepared by Dr. August De Hertogh. 
 - 5th ed. 
 - Hillegom, The Netherlands :  International Flower Bulb Centre,  1996. 
 - 1v. (various pagings) :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>909008455X  RM271.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bulbs--Netherlands--Guidebooks.