Brown, R. James. Chromosomal comparisons within the Sorex ornatus - S. vagrans complex / R. James Brown and Robert L. Rudd. - 1981. - p. 30-35. - Wasmann journal of biology ; v. 39, no. 1-2 . Offprint from : Wasmann journal of biology ; v. 39, no. 1-2 Subjects--Topical Terms: Shrews--Genetics.