E.  Insalaco, Hallam, A., and Rosen, B. R., ?Oxfordian (Upper Jurassic) coral reefs in Western Europe: reef types and conceptual depositional model?, Sedimentology, vol. 44, pp. 707?734, 1997.

A.  Hallam, ?Coral patch reefs in the Bajocian (Middle Jurassic) of Lorraine?, Geological Magazine, vol. 112, pp. 383?392, pl. 1?2, 1975.