Grimes, Stephen T. Fossil plants from the Eocene London Clay: the use of pyrite textures to determine the mechanism of pyritization - London Geological Society of London September 2002 - pp. 493-501 ilus. ISSN: 0016-7649 Subjects--Topical Terms: EOCENOPALEOBOTANICAPIRITATEXTURA Subjects--Geographic Terms: INGLATERRALONDRES