Limit by calendar year: 2011 All
| Wilhelmsen.pdf | 590 |
| May 2011 | June 2011 | July 2011 | August 2011 | September 2011 | October 2011 | November 2011 | December 2011 | January 2012 | February 2012 | March 2012 | April 2012 | May 2012 | |
| Wilhelmsen.pdf | 13 | 3 | 7 | 6 | 3 | 3 | 8 | 13 | 13 | 8 | 44 | 57 | 36 |
| Wind Energy: An Analysis and Comparison of Wind-Power Development in the United States and Spain | 175 |
| United States of America | 77 |
| Korea | 18 |
| Spain | 16 |
| China | 13 |
| Canada | 4 |
| Taiwan | 4 |
| Germany | 3 |
| United Kingdom | 3 |
| India | 3 |
| Portugal | 3 |
| Seoul | 17 |
| Washington | 10 |
| Beijing | 8 |
| Barcelona | 7 |
| Mountain View | 7 |
| Corvallis | 6 |
| Granollers | 3 |
| Osage | 3 |
| Taipei | 3 |
| Toledo | 3 |