E. N. Gatfield
- Determining the thickness of concrete pavements by mechanical waves: directed-beam method. Dans: Magazine of Concrete Research, v. 16, n. 46 (mars 1964). (1964):
- A method of studying the effect of vibratory stress, including fatigue, on concrete in flexure. Dans: Magazine of Concrete Research, v. 17, n. 53 (décembre 1965). (1965):