Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.
HW statistics
Monthly Stats
| Month | Abstract | Full | |
|---|---|---|---|
| May 2013 | 0 | 196 | 12 |
| April 2013 | 0 | 256 | 6 |
| March 2013 | 0 | 217 | 6 |
| February 2013 | 0 | 149 | 9 |
| January 2013 | 0 | 161 | 4 |
| December 2012 | 0 | 157 | 9 |
| November 2012 | 0 | 292 | 16 |
| October 2012 | 0 | 277 | 13 |
| September 2012 | 2 | 250 | 24 |
| August 2012 | 2 | 178 | 12 |
| July 2012 | 7 | 215 | 23 |
| June 2012 | 3 | 258 | 10 |
| May 2012 | 11 | 117 | 18 |
| April 2012 | 1 | 170 | 18 |
| March 2012 | 0 | 174 | 22 |
| February 2012 | 0 | 130 | 12 |
| January 2012 | 0 | 156 | 27 |
| December 2011 | 0 | 160 | 20 |
| November 2011 | 14 | 118 | 23 |
| October 2011 | 54 | 112 | 50 |
| September 2011 | 34 | 105 | 37 |
| August 2011 | 32 | 118 | 61 |
| July 2011 | 44 | 110 | 70 |
| June 2011 | 130 | 217 | 132 |
| May 2011 | 1841 | 743 | 655 |








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