Perales Rivera, Hugo Rafael. <br/><br/>
Conservation and evolution of maize in Amecameca and Cuautla valleys of Mexico 
/por Hugo Rafael Perales Rivera 
 - Davis, Calif. :  The author,  1998. 
 - 350 h. :  ilus. 
<br/><br/>Tesis (Doctor of Philosophy in Ecology) -- University of California 
<br/><br/><label>LCCN: </label>81211 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maíz--Germoplasma.<br/>Maíz--Híbridos.<br/>Maíz--Morelos.<br/>Maíz--Variedades.<br/>Maíz--México (Edo.).