| 1. | - | |
| Volume 33, Issue 1, June 2007 | ||
| 2. | Design of digital geo-electrical equipment and its application on noise level reduction | |
| Volume 34, Issue 4, October 2008, Pages 1-1 | ||
| 1. | - | |
| Volume 33, Issue 1, June 2007 | ||
| 2. | Design of digital geo-electrical equipment and its application on noise level reduction | |
| Volume 34, Issue 4, October 2008, Pages 1-1 | ||