| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Benchmarking of Labor-Intensive Construction Activities: Lean Construction and Fundamental Principles of Working Management | 978-90-6363-031-7 (90-6363-031-X) | 2002 | |
| Construction Site Management and Labor Productivity Improvement: How to Improve the Bottom Line and Shorten the Project Schedule | 978-0-7844-1465-1 (0-7844-1465-3) | 2017 | Ph.D. · P.E. · Ralph D. Ellis · Jr. |
| Geoenvironmental Engineering | 978-0-7277-3277-4 (0-7277-3277-3) | 2004 | R.N. Yong |
H.R. Thomas · H. Randolph Thomas & Ralph D. Ellis · H.T. · H. Thomas · R. T. · R. Thomas
Amer Society of Civil Engineers · CIB · ICE Publishing