AN ULLMANN'S. (1999). An Ullmann's encyclopedia industrial inorganic chemicals and products volume 2: Cement and concrete.. Wiley-VCH.
Chicago-čujuhus (17. p.)AN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 2: Cement and Concrete.. Weinheim: Wiley-VCH, 1999.
MLA-čujuhus (9. p.)AN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 2: Cement and Concrete.. Wiley-VCH, 1999.
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