Tamarin, Robert H. (1977). "demography of the Beach Vole (Microtus breweri) and the Meadow Vole (Microtus pennsylvanicus) in Southeastern Massachusetts". Ecology. 58 (6): 1310–1321. Bibcode:1977Ecol...58.1310T. doi:10.2307/1935083. JSTOR1935083.
Tamarin, Robert H. (1977). "Reproduction in the Island Beach Vole, Microtus breweri, and the Mainland Meadow Vole, Microtus pennsylvanicus, in Southeastern Massachusetts". Journal of Mammalogy. 58 (American Society of Mammalogists): 536–548. doi:10.2307/1380002. JSTOR1380002. PMID336824.
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Tamarin, Robert H. (1977). "demography of the Beach Vole (Microtus breweri) and the Meadow Vole (Microtus pennsylvanicus) in Southeastern Massachusetts". Ecology. 58 (6): 1310–1321. Bibcode:1977Ecol...58.1310T. doi:10.2307/1935083. JSTOR1935083.
Tamarin, Robert H. (1977). "demography of the Beach Vole (Microtus breweri) and the Meadow Vole (Microtus pennsylvanicus) in Southeastern Massachusetts". Ecology. 58 (6): 1310–1321. Bibcode:1977Ecol...58.1310T. doi:10.2307/1935083. JSTOR1935083.
Tamarin, Robert H. (1977). "Reproduction in the Island Beach Vole, Microtus breweri, and the Mainland Meadow Vole, Microtus pennsylvanicus, in Southeastern Massachusetts". Journal of Mammalogy. 58 (American Society of Mammalogists): 536–548. doi:10.2307/1380002. JSTOR1380002. PMID336824.
Tamarin, Robert H. (1977). "Reproduction in the Island Beach Vole, Microtus breweri, and the Mainland Meadow Vole, Microtus pennsylvanicus, in Southeastern Massachusetts". Journal of Mammalogy. 58 (American Society of Mammalogists): 536–548. doi:10.2307/1380002. JSTOR1380002. PMID336824.