Papadakis, John. <br/><br/>
Fundamentals of agronomy  : compendium of crop ecology 

 - Buenos Aires :  El autor,  1970 
 - 73 p. 
<br/><br/><label>LCCN: </label>36881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología vegetal.