Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
17 without a DOI — not checked. A reference
deposited without a DOI is never matched by title or guessed at; it stays outside the checked
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The 17 references without a DOI — listed, not checked
no DOI — not checkedInterpopulational variation of blood proteins in pika (Ochotona princeps saxatilis)
no DOI — not checkedHuntly N.(1984):The influence of herbivores on vegetation: studies of a subalpine meadow system.Ph.D. Thesis Univ. of Arizona Tucson.
no DOI — not checkedNatural Selection and Social Behavior
no DOI — not checkedKrear H. R.(1965):An ecological and ethological study of the pika (Ochotona princepsBangs) in the Front Range of Colorado.Ph. D. Thesis Univ. of Colorado Boulder.
no DOI — not checkedChemical Signals in Vertebrates. 3
no DOI — not checkedMillar J. S.(1971):Breeding of the pika in relationship to environment.Ph. D. Thesis Univ. of Alberta Edmonton.
no DOI — not checkedSeveraid J. H.(1955):The natural history of the pika (Mammalian genusOchotona).Ph.D. Thesis Univ. of California Berkeley.
no DOI — not checkedSharp P. L.(1973):Behaviour of the pika (Ochotona princeps) in the Kananaskis region of Alberta.M. Sc. Thesis Univ. of Alberta Edmonton.
no DOI — not checkedProceedings of the world lagomorph conference
no DOI — not checkedProceedings of the World Lagomorph Conference
no DOI — not checkedTapper S. C.(1973):The spatial organisation of pikas (Ochotona) and its effect on population recruitment.Ph. D. Thesis Univ. of Alberta Edmonton.
no DOI — not checkedHandbook of Behavioral Neurobiology: Social Behavior and Communication
no DOI — not checkedWest E. W.(1981):Adaptive patterns in behavior of the Sierran pika (Ochotona princeps).Ph.D. Thesis Univ. of California Davis.
no DOI — not checkedWiseley A. N.(1973):Patterns of variation in populations of the pika Ochotona princeps.M. A. Thesis Univ. of Montana Missoula.
no DOI — not checkedHandbook of Behavioral Neurobiology: Social Behavior and Communication
no DOI — not checkedWhitworth M. R.(1979):Population ecology of the pika (Ochotona princeps) in relation to density and climate.M. S. Thesis John Hopkins Univ. Baltimore.
no DOI — not checkedGrowth of pika in laboratory confinement
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