Szukana fraza: [Opis = "The variability of body and skull dimensions was examined in a population of the root vole, Microtus oeconomus \(Pallas, 1776\) from high mountain habitats, Hardangervidda, southern Norway. Morphometric analysis was made on 530 of 915 specimens obtained over 8 year trapping period \(1970\-1978\), taking into account sex, age class, season and population cycle."]

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