01092nam2-2200337---450-99000987961040332120140709095423.0000987961FED01000987961(Aleph)000987961FED0100098796120140709d1968----km-y0itay50------baengfregerCSa-------101yy<<11.: >>Origin of coal depositsproceedings of section 11edited by Miroslav DopitaPragueAcademia1968134 p.ill.24 cmIn testa al front.: International Geological Congress0010009878242001Report of the twenty-third sessionCzechoslovakia 196811GeologiaCongressiGiacimenti minerariDopita,MiroslavInternational Geological Congress23.<1968 ;Praga>523399ITUNINARICAUNIMARCBK990009879610403321Z 8/37s.i.DINGEDINGEOrigin of coal deposits827031UNINA