New interpretations of the facies of the Rhenish brown coal of West Germany = Nouvelles interprétations de faciès du lignite rhénan de l'Allemagne de l'OuestHAGEMANN, H. W; WOLF, M.International journal of coal geology. 1987, Vol 7, Num 4, pp 335-348, issn 0166-5162Article

The fluorescence behaviour of crude oils with respect to their thermal maturation and degradation = Comportement fluorescent des pétroles en relation avec leur maturation thermique et dégradationHAGEMANN, H. W; HOLLERBACH, A.Organic geochemistry. 1986, Vol 10, Num 1-3, pp 473-480, issn 0146-6380Conference Paper

Inkohlung und Geothermik in meso- und paläozoischen Sedimenten der Nordschweiz und Vergleich zu Inkohlungsdaten aus Süddeutschland = Houillification et géothermie dans les roches sédimentaires Mésozoïques et Paléozoïques du nord de la suisse et comparaison avec des données sur la houillification dans le sud de l'AllemagneWOLF, M; HAGEMANN, H. W.Eclogae Geologicae Helvetiae. 1987, Vol 80, Num 2, pp 535-542, issn 0012-9402Article

Paleoenvironments of lacustrine coals: the occurrence of algae in humic coals = Paléoenvironnement des charbons lacustres: occurrence des algues dans les charbons humiquesHAGEMANN, H. W; WOLF, M.International journal of coal geology. 1989, Vol 12, Num 1-4, pp 511-522, issn 0166-5162Article

Origin of fossil hydrocarbons in recent sediments of Lake ConstancePICKEL, W; HAGEMANN, H. W; HOLLERBACH, A et al.Erdöl und Kohle, Erdgas, Petrochemie. 1990, Vol 43, Num 7-8, pp 281-285, issn 0014-0058, 5 p.Article

Organisches Material in paläozoischen Sedimenten des Stavelot-Venn-Massivs = Matériel organique dans les sédiments paléozoïques du massif Stavelot-FagnesHOLLERBACH, A; HAGEMANN, H. W; KASIG, W et al.1982, Vol 1982-1983, pp 13-14Article

Coal mine workers' pneumoconiosisSCHULZ, H.-M; HAGEMANN, H. W; WOLF, M et al.Environmental geology (Berlin). 1997, Vol 30, Num 1-2, pp 72-80, issn 0943-0105Article

The Pliensbachian (Early Jurassic) anoxic event in Asturias, northern Spain : Santa Mera Member, Rodiles FormationBORREGO, A. G; HAGEMANN, H. W; BLANCO, C. G et al.Organic geochemistry. 1996, Vol 25, Num 5-7, pp 295-309, issn 0146-6380Conference Paper

Extraction of polycyclic aromatic hydrocarbons from polluted soils with binary and ternary supercritical phasesHOLLENDER, J; SHNEINE, J; DOTT, W et al.Journal of chromatography. 1997, Vol 776, Num 2, pp 233-243, issn 0021-9673Conference Paper

Characterization of kerogens as seen under the aspect of maturation and hydrocarbon generationMUKHOPADHYAY, P. K; HAGEMANN, H. W; GORMLY, J. R et al.Erdöl und Kohle, Erdgas, Petrochemie. 1985, Vol 38, Num 1, pp 7-18, issn 0014-0058Article

Petrologische une geochemische Untersuchungen an den Kohlen des Ibar-Beckens (Jugoslawien) = Petrological and geochemical research on coals of the Ibar-Basin (Yugoslavia)ERCEGOVAC, M; WOLF, M; HAGEMANN, H. W et al.International journal of coal geology. 1991, Vol 19, Num 1-4, pp 145-162, issn 0166-5162Conference Paper

Facies and rank of the Permian Kupferschiefer from the Lower Rhine Basin and NW Germany = Les faciès et le degré de houillification du «Kupferschiefer» Permien du Bassin Rhénan inférieur et de l'Allemagne Nord-OuestWOLF, M; DAVID, P; ECKARDT, C. B et al.International journal of coal geology. 1989, Vol 14, Num 1-2, pp 119-136, issn 0166-5162Conference Paper

Influence of organic material on mineralization process in the permian Kupferschiefer formation, Poland = Influence de la matière organique sur les processus de minéralisation dans la formation Permienne Kupferschiefer, PolognePUTTMANN, W; HAGEMANN, H. W; MERZ, C et al.Organic geochemistry. 1988, Vol 13, Num 1-3, pp 357-363, issn 0146-6380Conference Paper

Comparative petrographic and geochemical study of the Puertollano oil shale kerogensBORREGO, A. G; HAGEMANN, H. W; PRADO, J. G et al.Organic geochemistry. 1996, Vol 24, Num 3, pp 309-321, issn 0146-6380Article

Optische und chemische Eigenschaften von Steinkohlen = Optical and chemical properties of coalsHAGEMANN, H. W; OTTENJANN, K; PÜTTMANN, W et al.Erdöl und Kohle, Erdgas, Petrochemie. 1989, Vol 42, Num 3, pp 99-110, issn 0014-0058, 12 p.Article

The coal-bearing, Cenozoic as Pontes basin (northwestern Spain): geological influence on coal characteristicsCABRERA, L; HAGEMANN, H. W; PICKEL, W et al.International journal of coal geology. 1995, Vol 27, Num 2-4, pp 201-226, issn 0166-5162Article

Spurenelementgehalte in Steinkohlenflözen mit verschiedenen Mineralgruppen = Trace element contents in hard coal with different mineral groupsSCHRÖDER, R; HAGEMANN, H. W; WOLF, M et al.Glückauf-Forschungshefte. 1994, Vol 55, Num 2-3, pp 45-49, issn 0017-1387Article

Distribution of sulfur in coals in the Teruel Mining District, SpainQUEROL, X; FERNANDEZ-TURIEL, J. L; LOPEZ-SOLER, A et al.International journal of coal geology. 1991, Vol 18, Num 3-4, pp 327-346, issn 0166-5162, 20 p.Article

Spectrophotometric lightness and chromaticity measurements on absorbing peat and brown coal surfaces. I : Method and evaluationHAGEMANN, H. W; DEHMER, J.International journal of coal geology. 1991, Vol 19, Num 1-4, pp 163-183, issn 0166-5162Conference Paper

Characterization of kerogens as seen under the aspect of maturation and hydrocarbon generation = Caractérisation des kérogènes vue sous l'aspect de la maturation et de la genèse des hydrocarburesMUKHOPADHYAY, P. K; HAGEMANN, H. W; GORMLY, J. R et al.Erdöl und Kohle, Erdgas, Petrochemie. 1985, Vol 38, Num 1, pp 7-18, issn 0014-0058Article