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==Literatur== | ==Literatur== | ||
*Powers, T. C.: Properties of Fresh Concrete, John Wiley & Sons, New York 1968 | *Powers, T. C.: Properties of Fresh Concrete, John Wiley & Sons, New York 1968 | ||
*Powers, T. C.; Copeland, | *Powers, T. C.; Copeland, L. E.; Hayes, J. C.; Mann, H. M.: Permeability of Portland cement paste. Journal of the American Concrete Institute November 1954, Proceedings Vol. 51 | ||
[[Category:Historische Betontechnologen]] | [[Category:Historische Betontechnologen]] |