Soil information systems  proceedings of the meeting of the ISSS Working Group on Soil Information Systems, Wageningen, the Netherlands, September 1-4, 1975 
editor, Stein W. Bie 
 - Wageningen  Pudoc  1975 
 - 87 p.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems--Soil science
<br/><br/><label>Dewey Class. No.: </label>029  / .9  / 624151