1. Pfeifer DW, Scali MJ. Concrete sealers for protection of bridge structures. Department of Transportation, NCHRP 244, Washington, DC; December 1981. 138p.
2. Roth M. Siliconates–Silicone resins-Silanes–Siloxanes–Silicone masonry water repellents for the surface impregnation of mineral building materials. Concrete and masonry protection. Castle Hotel, Windsor; July 1986. 11p.
3. Cordon WA. Freezing and thawing of concrete-mechanisms and control, Monograph 3 American Concrete Institute; 1966.
4. Freeze–thaw durability versus freezing rate;Pigeon;ACI J,1985
5. Freezing effects in concrete;Powers;Durability of concrete, ACI SP-47,1975