Sadovski, Alexander N  <br/><br/>
Developments in soil information systems :  proceedings of the second meeting of the ISSS Working Group on Soil Information Systems, Varna/Sofia, Bulgaria, 30 May - 4 June 1977 / 
Alexander N. Sadovski and Stein W. Bie, (Eds). 
 - Wageningen :  Pudoc,  1978. 
 - 113 p. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9022006557 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.4  / SAD 1978