Weyermann, W. J. (1977). Rock conditions improved through pressure grouting. Institute forEngineering Research Foundation Kollbrunner.
Citace podle Chicago (17th ed.)Weyermann, Walter J. Rock Conditions Improved Through Pressure Grouting. Zürich: Institute forEngineering Research Foundation Kollbrunner, 1977.
Citace podle MLA (9th ed.)Weyermann, Walter J. Rock Conditions Improved Through Pressure Grouting. Institute forEngineering Research Foundation Kollbrunner, 1977.
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