Aldridge, R. J. 1972: Llandovery conodonts from the Welsh Borderland, Bulletin of the British Museum (natural History), Geology 22, 127-231, pls 1-9.

Aldridge, R. J. 1985: Conodonts of the Silurian System. In Higgins, A. C, Er. Austin„R. L. (eds.): 3 Stratigraphic Index of Conodonts, 68-92. Ellis Horwood Ltd., Chichester.

Aldridge, R, J, 4 Moharned, I. 1982: Conodont biostratigraphy of the Early Silurian of the Oslo Region. In %orsley, D, (ed,); IUGS Subcommission on Silurian Stratigraphy. Field A&eting; Oslo Region J982. Palaeontological Con- tributions from the University of Oslo 278, 109 — 120,

Baarli, B. G. 1985: The stratigraphy and sedimentology of the early Llandovery Solvik Formation in the central Oslo Region. Norsk Geologisk Tidsskrift 65, 255-275.

Baarli, B. G. 1986: A biometric re-evaluation of the Silurian brachiopod lineage Stricklandia lens jS. laevis, Palaeontology 29, 187-205.

Baarli, B. 6, 1988: Bathymetric coordination of proxirnality trends and leve1 bottom community: a case study from the Llandovery of central Oslo Region, Norway. Palaios 3, 577-587,

Baarli, B. G. 1990: Peripheral bulge of a foreland basin in the Oslo Region during the early Silurian. Palaeogeography, Palaeoclimatology, Palaeoecology 78, 149- 161,

Baarli, B. 6, 4 Harper, D. A. T. 1986: Relict Ordovician brachiopod faunas in the Lower Silurian of Asker, Oslo Region, Norway. Norsk Geologisk Tidsskrift

66, 87-98,

Baarli, B. G. k Johnson, M, E. 1982: Lower Silurian biostratigraphy of strick- landiid and pentarnerid brachiopod lineages in the Oslo Region, In Worsley, D. (ed.): IUGS Subcommission on Silurian Stratigraphy. Field Meeting„Oslo Re- gion 1982. Palaeontological Contributions Pom the University of Oslo 278, 91-104.

BJ'arlykke, K. 1974; Depositional history and geochemical composition of Lower Palaeozoic epicontinental sediments from the Oslo region. Xorges geologiske undersokelse 305„1-81.

Bockelie, J. F. 1982: The Ordovician of Oslo-Asker, In Bruton, D. L. 8t, %illiarns, S, H. (eds,): Field Excursion Guide. IV International Symposium on the Ordovician System. Palaeontological Contributions from the University of Oslo 279, 106-121.

Braithwaite, C. J, R., Owen, A. %, 8c Heath, R, A. 1995: Sedirnentological changes across the Ordovician-Silurian boundary in Hadeland and their implications for regional patterns of deposition in the Oslo Region. Norsk Geologisk Tidsskrift 75, 199 — 218.

Brenchley, P. J. 8t, Cocks, L. R. M. 1982: Ecological associations in a regressive sequence: the latest Ordovician of the Oslo-Asker District, Norway, Palaeon- tology 25, 783-815.

Brenchley, P. J. k Newall, G. 1977: The significance of contorted bedding in Upper Ordovician sediments of the Oslo Region, Norway, Journal of Sedimen- tary Petrology 47, 819 — 833.

Bruton, D. L. 8r. Owen, A. %. 1982: The Ordovician of Norway, In Bruton, D. L. 8t, %illiams, S. H. (eds.): Field Excursion Guide. IV International Symposium