00458nam a2200097Ia 4500008004100000082004700041100002000088245021000108260003400318300000800352140113s9999    xx            000 0 und d  a"631.415.2""1972.08.13/20""(082.2)   L3.1"  a"Dost, H., Ed."  a"Acid sulphate soils : Proceedings of the Inernational symposium on acid sulphate soils 13-20, Aug 1972, Wagengen,  Netherlands vol. I  Introductory papers & Bibliography (IIlRIvPublication no.18, vol. I)"  a1973bI.I.L.R.I.cNetherlands  a295