00378nam a2200097Ia 4500008004100000082003800041100003600079245010600115260005100221300000800272140113s9999    xx            000 0 und d  a"631.44""1972.10.30""(082.2)  L4"  aSoil Science Society of America  a"Symposium on Histosols : Their characteristics, classification and use. :Proceedings of a symposium"  a1974bSoil Science Society of AmericacMadison  a136