| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| An Empirical Assessment of Refraction Error in Leveling As a Function of Survey Order and Environment: An Analysis of the Results of Three North | 978-99954-1-326-2 (99954-1-326-4) | 1969 | Robert K. Mark · Roger H. Shaw |
**O.C.** · R. C. · Robert C. · Robert Castle · Robert O.