De Bakker, H.
Major soils and soil regions in the Netherlands - Boston, Dr.W.Junk B.V. publishers 1979 - 199
Soils - Netherlands/ soil science
631.474 92 DEB
100
Major soils and soil regions in the Netherlands - Boston, Dr.W.Junk B.V. publishers 1979 - 199
Soils - Netherlands/ soil science
631.474 92 DEB
100