@book{59094,
	author = {"Dost, H., Ed."},
	title = {"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)"},
	publisher = {I.I.L.R.I.},
	year = {Netherlands},
	address = {1973}
}