Cuanalo de la Cerda, Heriberto E. <br/><br/>
A study of the short range soil variation associated with intricate image patterns on air photographs 

 - Oxford :  The author,  1966 
 - 53 h. ilus. 
<br/><br/> Teshis (Diploma in Soil Science) -- University of Oxford. Soil Laboratory 
<br/><br/><label>LCCN: </label>32454 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fotografía aérea.<br/>Suelos--Topografía.