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Geologists. Dordrecht: Springer. doi:10.1007/978-94-017-9924-9. ISBN 978-94-017-9923-2. S2CID 132318001. Newton, John G. (1987). "Development of sinkholes...54 KB (5,804 words) - 03:03, 6 May 2024
 | Geologists. Dordrecht: Springer. doi:10.1007/978-94-017-9924-9. ISBN 978-94-017-9923-2. S2CID 132318001. Newton, John G. (1987). "Development of sinkholes... 54 KB (5,804 words) - 03:03, 6 May 2024 |