1. La mer noire;Andrussov,1897
2. Regional petrology of the southern North Sea;Baak,1936
3. Iron sulphides formed from aqueous solution at low temperatures and atmospheric pressure;Berner;Journal of Geology,1964
4. Migration of iron and sulphur within anaerobic sediments during early diagenesis;Berner;American Journal of Science,1969
5. Über die elektronenmikroskopische Identifizierung der Tone in den Delta-Sedimenten;Beutelspacher;Landbauforschung Völkenrode,1964