Hatt, W. K., & Voss, W. C. (1921). Concrete work; a book to aid the selfdevelopment of workers in concrete and for students in engineering; by Willaim Kendrick Hatt and Walter C. Voss. New York, New York: Willey.

Hatt, William Kendrick, and Walter C. Voss. Concrete Work; a Book to Aid the Selfdevelopment of Workers in Concrete and for Students in Engineering; By Willaim Kendrick Hatt and Walter C. Voss. New York, New York: Willey, 1921.

Hatt, William Kendrick, and Walter C. Voss. Concrete Work; a Book to Aid the Selfdevelopment of Workers in Concrete and for Students in Engineering; By Willaim Kendrick Hatt and Walter C. Voss. New York, New York: Willey, 1921.