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Ando, S. and Kajiura, K. 1985. Status of raccoons in Gifu Prefecture. pp. 23-30. <i>In<\/i>: Bull Gifu Pref. Museum, Gifu Pref. Museum, Gifu (in Japanese)."},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1292\/jvms.65.369"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Berard, E. V. 1951. Evidence of a late birth for the raccoon. J. Mammal. 33: 247-248.","DOI":"10.1093\/jmammal\/33.2.247-a"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Gehrt, S. D. and Fritzell, E. K. 1996. Second estrus and late litters in raccoons. J. Mammal. 77: 388-393.","DOI":"10.2307\/1382813"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Grau, G. A., Sanderson, G. C. and Rogers, J. P. 1970. Age determination of raccoons. J. Wildl. Manage. 34: 364-372.","DOI":"10.2307\/3799023"},{"key":"6","unstructured":"6. Hachiya, N. and Ohtaishi, M. 1994. 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Y., Alexander, P. S., Yang, V. V. C. and Yu, J. Y. L. 2001. Seasonal reproductive activity of male formosan wood mice (<i>Apodemus semotus<\/i>): relationships to androgen levels. J. Mammal. 82: 700-708.","DOI":"10.1093\/jmammal\/82.3.700"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Lees, J. L. 1965. Seasonal variation in the breeding activity of rams. Nature 207: 221-222.","DOI":"10.1038\/207221a0"},{"key":"17","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0250041"},{"key":"18","doi-asserted-by":"publisher","DOI":"10.1292\/jvms.65.1087"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Sanderson, G. C. 1961. Techniques for determining age of raccoons.Ill. Nat. Hist. Surv. Biol. Notes 45: 1-16.","DOI":"10.5962\/bhl.title.15133"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Sanderson, G. C. and Nalbandov, A. V. 1973. The reproductive cycle of the raccoon in Illinois. Ill. Nat. Hist. Surv. 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