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 | |
|---|---|---|---|
| June 2013 | 133 | 43 | 0 |
| May 2013 | 198 | 88 | 0 |
| April 2013 | 158 | 71 | 0 |
| March 2013 | 134 | 47 | 0 |
| February 2013 | 137 | 33 | 0 |
| January 2013 | 167 | 39 | 0 |
| December 2012 | 119 | 35 | 0 |
| November 2012 | 460 | 96 | 0 |
| October 2012 | 368 | 118 | 0 |
| September 2012 | 124 | 102 | 0 |
| August 2012 | 24 | 106 | 0 |
| July 2012 | 20 | 76 | 0 |
| June 2012 | 17 | 95 | 0 |
| May 2012 | 44 | 117 | 0 |
| April 2012 | 358 | 106 | 0 |
| March 2012 | 489 | 141 | 0 |
| February 2012 | 608 | 135 | 0 |
| January 2012 | 523 | 125 | 0 |
| December 2011 | 326 | 73 | 0 |
| November 2011 | 368 | 124 | 0 |
| October 2011 | 193 | 117 | 0 |
| September 2011 | 163 | 147 | 0 |
| August 2011 | 69 | 352 | 0 |
| July 2011 | 18 | 464 | 0 |
| June 2011 | 9 | 498 | 0 |
| May 2011 | 15 | 483 | 0 |
| April 2011 | 16 | 588 | 0 |
| March 2011 | 23 | 724 | 0 |
| February 2011 | 11 | 593 | 0 |
| January 2011 | 30 | 494 | 0 |
| December 2010 | 46 | 429 | 0 |
| November 2010 | 108 | 567 | 0 |
| October 2010 | 23 | 612 | 0 |
| September 2010 | 38 | 371 | 0 |
| August 2010 | 75 | 121 | 0 |
| July 2010 | 56 | 104 | 0 |
| June 2010 | 50 | 112 | 0 |
| May 2010 | 63 | 116 | 0 |
| April 2010 | 66 | 154 | 0 |
| March 2010 | 67 | 126 | 0 |
| February 2010 | 48 | 160 | 0 |
| January 2010 | 72 | 167 | 0 |
| December 2009 | 57 | 113 | 0 |
| November 2009 | 79 | 213 | 0 |
| October 2009 | 110 | 176 | 1 |
| September 2009 | 148 | 263 | 0 |
| August 2009 | 977 | 1314 | 0 |








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