| 000 | 00435 a2200133 4500 | ||
|---|---|---|---|
| 008 | 141010b2013 xxu||||| |||| 00| 0 eng d | ||
| 245 |
_aExploring caves on other worlds / _cZimmerman, Robert |
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| 260 | _cApril 2013 | ||
| 300 | _app. 18-24 | ||
| 440 |
_aSKY & TELESCOPE _v125, 4 _95178 |
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| 650 |
_aPLANETARY GEOLOGY _95179 |
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| 856 | _uhttp://www.skyandtelescope.com/sky-and-telescope-magazine/sky-telescope-april-2013/ | ||
| 942 | _cBV | ||
| 999 |
_c20794 _d20794 |
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