West, G. The field description of Engineering Soils and Rocks. Milton Keynes: Open University Press, 1991 129 p. ill. 0-335-15208-2.
West, G. The field description of Engineering Soils and Rocks. Milton Keynes: Open University Press, 1991 129 p. ill. 0-335-15208-2.
West, G. (1991) The field description of Engineering Soils and Rocks, Milton Keynes: Open University Press 129 p. ill. 0-335-15208-2.
West, G. (1991). The field description of Engineering Soils and Rocks. Handbook. Milton Keynes: Open University Press, 129 p. ill.
West G. The field description of Engineering Soils and Rocks: Handbook. Milton Keynes: Open University Press; 1991. p. 129 p. ill. ISBN: 0-335-15208-2.