Souvenir:   Managing soil resources to meet the challenges to mankind 
/ 12th international congress of soil science 8-16, February, 1982 
 - New Delhi:   ISSS AISS IBG,   1982 
 - 131p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Soil science Forest resources 
<br/><br/><label>Universal Decimal Class. No.: </label>I 631.4(04)(082.2)  / M2