Ward, W. H. (1978). Ground supports for tunnels in weak rocks. Building Research Establishment.
Chicago Style (17th ed.) CitationWard, W. H. Ground Supports for Tunnels in Weak Rocks. Garston: Building Research Establishment, 1978.
MLA (9th ed.) CitationWard, W. H. Ground Supports for Tunnels in Weak Rocks. Building Research Establishment, 1978.
Warning: These citations may not always be 100% accurate.