00398nam a2200109Ia 4500008004100000082004100041100007100082245005300153260005200206300001000258650002000268140224s9999    xx            000 0 und d  a631.4(100) 1982.2.8/.16 (082.2) M2.1  aInternational congress of soil science, 12th, New Delhi, Feb.1982.  aManaging soil resources; Plenary session papers.  aNew DelhibIndian Society of Soil Sciencec1982  a112p.  aSoil management