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(1877) \u003Ci>Die Bildung der Steinsalzlager und ihrer Mutterlaugensalze [The formation of rock salt deposits and their mother liquor salts]\u003C\u002Fi> - unter specieller Berücksichtigung der Flöze von Douglashall in der Egeln´schen Mulde [with special consideration of the Douglashall seams in the Egeln'sche Mulde]. Pfeffer, Halle.",{"id":81,"year":82,"html":83,"doi":84},16737880,1880,"Precht, H. (1880) Ueber die Bildung des Wasserstoffs in den Stassfurter Kalisalzbergwerken. \u003Ci>Berichte der deutschen chemischen Gesellschaft\u003C\u002Fi>,  13 (2) 2326-2328 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fcber.188001302262'>doi:10.1002\u002Fcber.188001302262\u003C\u002Fa>","10.1002\u002Fcber.188001302262",{"id":86,"year":87,"html":88,"doi":11},16107923,1909,"Boeke (1909) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: II: 44.",{"id":90,"year":91,"html":92,"doi":93},647767,1921,"Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. \u003Ci>Bulletin\u003C\u002Fi> 679. US Geological Survey \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3133\u002Fb679'>doi:10.3133\u002Fb679\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fpubs.usgs.gov\u002Fbul\u002F0679\u002Freport.pdf' class='refpdflink'>\u003C\u002Fa>","10.3133\u002Fb679",{"id":95,"year":96,"html":97,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":99,"year":100,"html":101,"doi":11},16964023,2005,"(2005) Douglasite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. 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