| Rank | Article | Purchases | Purchases per MonthA |
|||||||
| 61 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.07 | ||||||
| 62 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.07 | ||||||
| 63 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.07 | ||||||
| 64 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.07 | ||||||
| 65 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.06 | ||||||
| 66 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.05 | ||||||
| 67 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.04 | ||||||
| 68 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.04 | ||||||
| 69 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.04 | ||||||
| 70 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
4 | 0.04 | ||||||
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|
Purchases
Purchases per Month A Purchases per month statistic may be artifically inflated for newly published articles * Data collect began February 2007 |
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| * Data collect began February 2007 | ||||||||||
