Gray, WS
Cement and Concrete Association, 1973
Buku Teks
Baker, A.L.L., author
Cement and Concrete Association, 1970
Buku Teks
Popovics, Sandra, author
Hemisphere Publishing, 1979
Buku Teks
Gani, M.S.J.
Chapman & Hall , 1997
Buku Teks
Popovics, Sandor, author
John Wiley & Sons, 1982
Buku Teks