G. F. Zimmer
- The Mechanical Handling of Hot Coke. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 163, n. 1906-1 ( 1906). (1906):
- Mechanical Handling of Material. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 153, n. 1903-3 ( 1903). (1903):