00430nam a2200133Ia 4500008004100000082002400041100001600065245005600081260002000137300000800157942000700165952010700172999001700279140113s9999    xx            000 0 und d  a631.442.4(213)   K5  a"Dudal, R."  aDark clay soils of tropical and subtropical regions  a1965bFAOcRome  a161  cBK  00104070aVTLbVTLd2014-01-13l0o631.442.4(213)   K5pVBK1600r2014-01-13 00:00:00w2014-01-13yBK  c58279d58279