1. Development of a coaxial viscometer for fresh concrete;Wallevik,1990
2. Modification of the two point workability apparatus;Wallevik;Mag Conc Res,1990
3. The Rheology of Fresh Concrete;Tattersall,1983
4. Workability and Quality Control of Concrete;Tattersall,1991
5. Flow determination of fresh concrete;Murata;Mats and Structs,1984