W.L. ยท William L.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Magnetic Surveying And Angular Surveying - With - Records Of The Peculiarities Of Needle Disturbances. Compiled From The Results Of Carefully Made Experiments | 978-1-4455-7685-5 (1-4455-7685-6) | 2010 |