Mattioli, Emanuela; Young, Jeremy R.; Bown, Paul R.; Pittet, Bernard (2000): Morphometric analyses on the Early Jurassic Biscutaceae. International Nannoplankton Association, The Hague, International, In: Willems, Helmut (chairperson), 8th International Nannoplankton Association conference; programme and abstracts, 22 (2), 124-125, georefid:2005-013057