15th World Congress of Soil Science, Acapulco, Mexico, July 1994 :  transactions. Volume 8a, Commission VII: symposia / 
International Society of Soil Science. 
 - [Mexico:  Instituto Nacional de Estadistica...],  1994. 
 - 146 p. 
<br/><br/><label>ISBN: </label>9686201173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science--Congress.