Thermal analysis of borogypsum and its effects on the physical properties of Portland cement
Cement and Concrete Research, Volume 33, Issue 11, November 2003, Pages 1729-1735
Iffet Yakar Elbeyli, Emek Möröydor Derun, Jale Gülen, Sabriye Piskin
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http://dx.doi.org/10.1016/S0008-8846(03)00110-8Cement and Concrete Research, Volume 32, Issue 3, March 2002, Pages 471-475
Recep Boncukcuoglu, M. Tolga Yılmaz, M. Muhtar Kocakerim, Vahdettin Tosunoglu
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http://dx.doi.org/10.1016/S0008-8846(01)00711-6Cement and Concrete Research, Volume 22, Issue 5, September 1992, Pages 841-844
Y. Erdogan, H. Genç, A. Demirbas
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http://dx.doi.org/10.1016/0008-8846(92)90108-8заранее огромное спасибо