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| 090 |
_aAR _b01393 |
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| 245 | 1 | 0 | _aReview of karst conservation sites in Britain |
| 650 | 1 | 4 |
_aCavernas _993465 |
| 650 | 1 | 4 |
_aEspeleología _94156 |
| 650 | 1 | 4 |
_aConservación _992401 |
| 041 | 0 | _aInglés | |
| 100 | 1 |
_aWaltham, A. C. _994696 |
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| 942 | _cARTICULO | ||
| 773 | 1 |
_tStudies in Speleology _3356 _q85-91 _d1983 _g4 |
|
| 999 |
_c10478 _d10478 |
||