1. Research Paper, No. RP1252;L. Schuman,1939
2. Mindess S., Young J. F.—Concrete. Prentice-Hall Inc., London, 1981.
3. ACI Manual of Concrete Practice, Part 3, 1980.Recommended practice for concrete floor and slab construction (ACI 302-69) American Concrete Institute.
4. CEB Information Bulletin No. 148:Durability of concrete structures, State-of-the-Art Report, 1982.
5. Faucon P.—Essais d’usure. Caractéristiques des principaux revêtements de sols durs. CERIB, Publication Technique, No. 46, May 1979.