| Received Date | Cover Date | Volume | Issue | |
| Wed, May 22, 2013 | degrees | sup to May 2013 | ||
| Fri, Feb 1, 2013 | Summerplus 2013 | sup to Jan 2013 | ||
| Wed, May 22, 2013 | May 2013 | 124 | 1477 | |
| Mon, Apr 1, 2013 | Apr 2013 | 124 | 1476 | |
| Thu, Mar 7, 2013 | Mar 2013 | 124 | 1475 | |
| Wed, Feb 27, 2013 | Feb 2013 | 124 | 1474 | |
| Fri, Feb 1, 2013 | Jan 2013 | 124 | 1473 |
