Bjarnason, S. <br/><br/>
A Database Management System for Soil Data and Fertilizer Planning 

 - Budapest  Publ. House of The Hungarian Academy of Science 
 - 818-822 
<br/><br/><label>Subjects--Index Terms: </label>Agriculture DATABASE SOIL FERTILIZER 
<br/><br/><label>Dewey Class. No.: </label>333.953416