C. J. Hopkins
- A modification of the Tattersall two-point test apparatus for measuring concrete workability. In: Magazine of Concrete Research, v. 36, n. 129 (Dezember 1984). (1984):
- The turning-tube viscometer: an instrument to measure the flow behaviour of cement–pfa pastes. In: Magazine of Concrete Research, v. 37, n. 131 (Juni 1985). (1985):