Tomlinson, Michael John
E & Fn Spon, 1997
Buku Referensi
: Processing Directorate Pertamina, 1998
Buku Teks
Tomlinson, Michael John
Cement and Concrete Association, 1977
Buku Teks SO
Brandi, Ulrike
Birkhäuser, 2001.
Buku Teks SO
Clark, Peter A.
Tavistock, 1972
Buku Teks