Geology of the area between Farnham and Guildford, Surrey : explanation of parts of 1:10000 sheets SU84NW, 84NE, 94NW, 94NE and TQ04NW: British Geological Survey, Onshore Geology Series, Technical Report WA/91/033, 1991 - / R.D. Lake and E.R. Shephard-ThornBooks/Monographs