| 000 | 00423 a2200133 4500 | ||
|---|---|---|---|
| 008 | 141010b2013 xxu||||| |||| 00| 0 eng d | ||
| 245 |
_aHow worlds get out of whack / _cLaughlin, Greg |
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| 260 | _cMay 2013 | ||
| 300 | _app. 26-31 | ||
| 440 |
_aSKY & TELESCOPE _v125, 5 _95122 |
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| 650 |
_aPLANET MIGRATION _95123 |
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| 856 | _uhttp://www.skyandtelescope.com/sky-and-telescope-magazine/sky-telescope-may-2013/ | ||
| 942 | _cBV | ||
| 999 |
_c20824 _d20824 |
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