Verkerk, Kay,  <br/><br/>
Temperature, light and tomato 
Kay Verkerk. 
 - Wageningen:  H. Veenman & Zonen B.V.,  1955. 
 - 50 pages :   illustrations ;   25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops and climate.