Freda, J.; Sadinski, W. J.; Dunson, W. A. (1991). "Long term monitoring of amphibian populations with respect to the effects of acidic deposition". Water, Air, & Soil Pollution. 55 (3–4): 445–462. Bibcode:1991WASP...55..445F. doi:10.1007/bf00211205. S2CID85373859.
Andrén, Claes; Mårdén, Marlene; Nilson, Göran (1989). "Tolerance to Low pH in a Population of Moor Frogs, Rana arvalis, from an Acid and a Neutral Environment: A Possible Case of Rapid Evolutionary Response to Acidification". Oikos. 56 (2): 215–223. Bibcode:1989Oikos..56..215A. doi:10.2307/3565339. ISSN0030-1299. JSTOR3565339.
Vershinin, V. L.; Neustroeva, N. S. (2011-10-01). "The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842". Doklady Biological Sciences. 440 (1): 290–292. doi:10.1134/S0012496611050073. ISSN1608-3105. PMID22134813. S2CID33603605.
Bellemakers, Martijn J. S.; van Dam, Herman (1992-01-01). "Improvement of breeding success of the moor frog (Rana arvalis) by liming of acid moorland pools and the consequences of liming for water chemistry and diatoms". Environmental Pollution. Effects of Acidic Pollutants on Freshwater Plants and Animals. 78 (1): 165–171. Bibcode:1992EPoll..78..165B. doi:10.1016/0269-7491(92)90025-6. ISSN0269-7491. PMID15091943.
Freda, J.; Sadinski, W. J.; Dunson, W. A. (1991). "Long term monitoring of amphibian populations with respect to the effects of acidic deposition". Water, Air, & Soil Pollution. 55 (3–4): 445–462. Bibcode:1991WASP...55..445F. doi:10.1007/bf00211205. S2CID85373859.
Andrén, Claes; Mårdén, Marlene; Nilson, Göran (1989). "Tolerance to Low pH in a Population of Moor Frogs, Rana arvalis, from an Acid and a Neutral Environment: A Possible Case of Rapid Evolutionary Response to Acidification". Oikos. 56 (2): 215–223. Bibcode:1989Oikos..56..215A. doi:10.2307/3565339. ISSN0030-1299. JSTOR3565339.
Bellemakers, Martijn J. S.; van Dam, Herman (1992-01-01). "Improvement of breeding success of the moor frog (Rana arvalis) by liming of acid moorland pools and the consequences of liming for water chemistry and diatoms". Environmental Pollution. Effects of Acidic Pollutants on Freshwater Plants and Animals. 78 (1): 165–171. Bibcode:1992EPoll..78..165B. doi:10.1016/0269-7491(92)90025-6. ISSN0269-7491. PMID15091943.
Andrén, Claes; Mårdén, Marlene; Nilson, Göran (1989). "Tolerance to Low pH in a Population of Moor Frogs, Rana arvalis, from an Acid and a Neutral Environment: A Possible Case of Rapid Evolutionary Response to Acidification". Oikos. 56 (2): 215–223. Bibcode:1989Oikos..56..215A. doi:10.2307/3565339. ISSN0030-1299. JSTOR3565339.
Vershinin, V. L.; Neustroeva, N. S. (2011-10-01). "The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842". Doklady Biological Sciences. 440 (1): 290–292. doi:10.1134/S0012496611050073. ISSN1608-3105. PMID22134813. S2CID33603605.
Bellemakers, Martijn J. S.; van Dam, Herman (1992-01-01). "Improvement of breeding success of the moor frog (Rana arvalis) by liming of acid moorland pools and the consequences of liming for water chemistry and diatoms". Environmental Pollution. Effects of Acidic Pollutants on Freshwater Plants and Animals. 78 (1): 165–171. Bibcode:1992EPoll..78..165B. doi:10.1016/0269-7491(92)90025-6. ISSN0269-7491. PMID15091943.
Freda, J.; Sadinski, W. J.; Dunson, W. A. (1991). "Long term monitoring of amphibian populations with respect to the effects of acidic deposition". Water, Air, & Soil Pollution. 55 (3–4): 445–462. Bibcode:1991WASP...55..445F. doi:10.1007/bf00211205. S2CID85373859.
Vershinin, V. L.; Neustroeva, N. S. (2011-10-01). "The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842". Doklady Biological Sciences. 440 (1): 290–292. doi:10.1134/S0012496611050073. ISSN1608-3105. PMID22134813. S2CID33603605.
Andrén, Claes; Mårdén, Marlene; Nilson, Göran (1989). "Tolerance to Low pH in a Population of Moor Frogs, Rana arvalis, from an Acid and a Neutral Environment: A Possible Case of Rapid Evolutionary Response to Acidification". Oikos. 56 (2): 215–223. Bibcode:1989Oikos..56..215A. doi:10.2307/3565339. ISSN0030-1299. JSTOR3565339.
Vershinin, V. L.; Neustroeva, N. S. (2011-10-01). "The role of trematode infestation in the specifics of skeleton morphogenesis of Rana arvalis Nilsson, 1842". Doklady Biological Sciences. 440 (1): 290–292. doi:10.1134/S0012496611050073. ISSN1608-3105. PMID22134813. S2CID33603605.
Bellemakers, Martijn J. S.; van Dam, Herman (1992-01-01). "Improvement of breeding success of the moor frog (Rana arvalis) by liming of acid moorland pools and the consequences of liming for water chemistry and diatoms". Environmental Pollution. Effects of Acidic Pollutants on Freshwater Plants and Animals. 78 (1): 165–171. Bibcode:1992EPoll..78..165B. doi:10.1016/0269-7491(92)90025-6. ISSN0269-7491. PMID15091943.