Ng e. <br/><br/>
Simulation of growth and yield of the potato crop 

 - Netherlands  Center for agricultural   1984 
<br/><br/><label>ISBN: </label>90 220 0843  6 
<br/><br/><label>LC Class. No.: </label>633.49154/NGE 
<br/><br/><label>Dewey Class. No.: </label>633.49154/NGE