Engineering geology and rock mechanics.
Ducan, Neil.\
Engineering geology and rock mechanics. - - Leonard Hill, London, 1969 - v.2, illus, 22cm. - .
6
624.121 Dun-2
Engineering geology and rock mechanics. - - Leonard Hill, London, 1969 - v.2, illus, 22cm. - .
6
624.121 Dun-2