The Ludlow-Downton transition at Kington, Herefordshire = La transition Ludlow-Downtonien à Kington, HerefordshireHOLLAND, C. H; WILLIAMS, E. M.Geological journal (Chichester). 1985, Vol 20, Num 1, pp 31-41, issn 0072-1050Article

DOWNTONIAN-DITTONIAN BOUNDARYSQUIRRELL HC.1973; J. GEOL. SOC.; G.B. ; 1973, VOL. 129, NUM. 0002, P. 205 A 206Serial Issue

ICHTHYOFAUNE DU DOWNTONIEN DE LITUANIE, D'ESTONIE ET DU NORD DU TIMANKARATAYUTE TALIMAA VN.1970; PALEONTOL. STRATIGR. PRIBALTIKI BELORUSSII; S.S.S.R. ; 1970, NUM. 0002, P. 33 A 66Serial Issue

New information on the stratigraphy of the upper silurian rocks in the southern part of the Malverns district, Hereford and Worcester = Données nouvelles sur la stratigraphie des roches du Silurien supérieur dans la partie sud du district Malvern, Hereford et WorcesterWHITE, D. E; ELLISON, R. A; MOORLOCK, B. S. P et al.1984, Vol 16, Num 1, pp 13-18Article

A CONTRIBUTION TO THE GEOLOGY OF THE DOWNTONIAN SEDIMENTARY ROCKS OF HITRASIEDLECKA A; SIEDLECKI S.1972; NORGES GEOL. UNDERSOEK.; NORGE ; 1972, NUM. 0275, P. 1 A 28Serial Issue

THE DOWNTON SERIES AS THE FOURTH SERIES OF THE SILURIAN SYSTEM = LES SERIES DOWNTON EN TANT QUE QUATRIEME SERIE DU SYSTEME SILURIENBASSETT MG; LAWSON JD; WHITE DE et al.1982; LETHAIA; ISSN 0024-1164; NOR; DA. 1982; VOL. 15; NO 1; PP. 1-24; BIBL. 5 P.; 2 TAB. ; ILL./TABL.Article

THE DOWNTON SERIES AS THE FOURTH SERIES OF THE SILURIAN SYSTEM = LES SERIES DE DOWNTON COMME QUATRIEMES SERIES DU SYSTEME SILURIENBASSETT MG; LAWSON JD; WHITE DE et al.1981; RAPP. MEDD.-SVER. GEOL. UNDERS.; ISSN 0349-2176; SWE; DA. 1981; NO 25; PP. 5Conference Paper

SOME FEATURES OF TECTONIC DEFORMATION OF OLD RED SANDSTONE SEDIMENTS ON HITRA, WEST CENTRAL NORWAY = QUELQUES CARACTERISTIQUES DES DEFORMATIONS TECTONIQUES DES VIEUX GRES ROUGES A HITRA, NORVEGE CENTRE OCCIDENTALEROBERTS D.1981; BULL.-NOR. GEOL. UNDERS.; ISSN 0332-5768; NOR; DA. 1981; NO 370; PP. 45-48; BIBL. 1 P.; ILL.Article

DIE GRAPTOLITHENFUEHRUNG IM SILUR/DEVON DES CELLON-PROFILS (KARNISCHE ALPEN). EIN BEITRAG ZUR GLEICHSETZUNG DER CONODONTEN- UND GRAPTOLITHENZONEN DES SILURS. = LES GRAPTOLITES DU SILURIEN/DEVONIEN DU PROFIL DE CELLON ALPES CARNIQUES). CONTRIBUTION A LAJAEGER H.1975; CARINTHIA II; OESTERR.; 1975, VOL. 85, P. 111 A 126Serial Issue

BIOSTRATIGRAPHY AND CORRELATION OF THE SILURIAN TERRIGENOUS AND CARBONACEOUS FORMATIONS OF THE SOUTHERN BALTIC.PASHKEVICHJUS I JU.1968; VIL'NJUS.IZDAT."MINTIS".; 1968, P. 250 A 272Miscellaneous

THELODONTIER-, ACANTHODIER- UND ELASMOBRANCHIER-SCHUPPEN AUS DEM UNTERDEVON DER KANADISCHEN ARKTIS (AGNATHA, PISCES) = THELODONTII, ACANTHODII AND ELASMOBRANCHII SCALES FROM THE LOWER DEVONIAN PERIOD IN THE CANADIAN ARCTIC (AGNATHA, PISCES) = ECAILLES DE THEOLODONTII, ACANTHODII ET ELASMOBRANCHII DU DEVONIEN INFERIEUR DANS L'ARCTIQUE CANADIENNE (AGNATHA, PISCES)VIETH J.1980; ; DEU; DA. 1980; THESIS/UNIV. GOETTINGEN/1980;[DISS. ABSTR. INT., C, EUR. ABSTR.; DA. 1982; VOL. 43; NO 3]Thesis

A LATE SILURIAN FLORA FROM THE LOWER OLD RED SANDSTONE OF SOUTH-WEST DYFEDEDWARDS D.1979; PALAEONTOLOGY; GBR; DA. 1979; VOL. 22; NO 1; PP. 23-52; BIBL. 2 P.Article

Diagenetic tosudite from the lowermost St Maughan's Group, Lydney Harbour, Forest of Dean, UKGARVIE, L. A. J.Clay minerals. 1992, Vol 27, Num 4, pp 507-513, issn 0009-8558Article

The Downtonian ostracoderm Sclerodus Agassiz (Osteostraci: Tremataspididae) = L'ostracoderme du Downton Sclerodus Agassiz (Osteostraci: Tremataspididae)FOREY, P. L.Bulletin of the British Museum, Natural History. Geology. 1987, Vol 41, Num 1, pp 1-30, issn 0007-1471Serial Issue

The geology of South Shropshire = La géologie du sud du ShropshireCOCKS, L. R. M.Proceedings of the Geologists' Association. 1989, Vol 100, pp 505-519, issn 0016-7878, INDEXArticle