Roest, S.  <br/><br/>
Flowering and vegetative propagation of pyrethrum(Chrysanthemum cinerariaefolium vis.) in vivo and in vitro  (Book) 

 - Wageningen  Centre for Agricultural Publishing and Documentation  1976 
 - 105 p.  24 cm. 
<br/><br/><label>ISBN: </label>9022006220 
<br/><br/><label>Universal Decimal Class. No.: </label>582.998:581.145.1:631.532 ROE  / 12928