U

UMENWEKE MO 1980: Microplankton and biostratigraphy of the southern English Middle and Upper Albian (Gault and Upper Greensand). PhD Kings Coll. London.
UNWIN DM 1988: A new pterosaur from the Kimmeridge Clay of Kimmeridge, Dorset. PDNH and AS 109, 150-3.

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