Gray, J. M. Update: thequaternary ice age : (with particular reference to Britain)/ Murray Gray. - 83 pages: illustrations; 30 cm. - Special publication; 5 . - Special publication (Queen Mary College, Department of Geography and Earth Science); 5 . ISBN: 0904791254 Subjects--Topical Terms: Glacial epoch--Great Britain.Geology, Stratigraphic--Quaternary.