Media type: E-Article Title: Winter Reproduction in Small Rodents in Sweden Contributor: Larsson, Tor-Björn; Hansson, Lennart; Nyholm, Erik; Larsson, Tor-Bjorn Published: JSTOR, 1973 Published in: Oikos, 24 (1973) 3, Seite 475 Language: Not determined DOI: 10.2307/3543826 ISSN: 0030-1299 Keywords: Ecology, Evolution, Behavior and Systematics Origination: Footnote: