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Cranfield Press, 1990, 241 p. ill., 0-947767-93-2.
MORRIS, J., Morris, J. .
Earth Roads.
Bedford: Cranfield Press, 1990, 241 p. ill., 0-947767-93-2.
MORRIS, J., Morris, J. (1990)
Earth Roads,
Bedford: Cranfield Press, 241 p. ill., 0-947767-93-2
MORRIS, J., & Morris, J.
(1990).
Earth Roads. A practical manual for the provision of access for agriculteral and forestry projects in developing countries. Bedford: Cranfield Press, 241 p. ill..