| Views | |
| Forecast and prevention of coal and gas outbursts in the case of application of a new mining method - drilling of a coal pillar | 159 |
| November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | April 2013 | May 2013 | |
| Forecast and prevention of coal and gas outbursts in the case of application of a new mining method - drilling of a coal pillar | 2 | 2 | 5 | 8 | 6 | 5 | 3 |
| Views | |
| Czech Republic | 66 |
| United States of America | 36 |
| Russian Federation | 24 |
| China | 15 |
| Japan | 7 |
| Germany | 2 |
| Poland | 2 |
| Sweden | 2 |
| Romania | 1 |
| Ukraine | 1 |
| Views | |
| Redwood City | 12 |
| Ostrava | 9 |
| Praha | 7 |
| Mountain View | 4 |
| Redmond | 3 |
| Warsaw | 2 |
| Brno | 1 |
| Fpo | 1 |
| Koci | 1 |
| Prague | 1 |