|Up a level|
Fearnhead, Fiona E. and Donovan, S.K. (2007) A robust crinoid from the Llandovery (Lower Silurian) of Norbury, Shropshire: systematics, palaeoecology and taphonomy. Proceedings of the Geologists' Association 118 (4), 339 - 345. ISSN 0016-7878.
Langford, H.E. and Bateman, M.D. and Penkman, K.E.H. and Boreham, S. and Briant, Rebecca and Coope, G.R. and Keen, D.H. (2007) Age-estimate evidence for Middle-Late Pleistocene aggradation of River Nene 1st Terrace deposits at Whittlesey, eastern England. Proceedings of the Geologists' Association 118 (3), pp. 238-300. ISSN 0016-7878.