00480naa a2200193 a 450000100080000000500110000800800410001910000210006024500650008126000090014665000090015565000130016465000110017765000100018865000120019865000110021065300110022177300540023217985682017-04-26       1965    bl ---       0--  u    #d1 aZIMMERMAN, E. G.  aA comparison of habitat and food of two species of Microtus.  c1965  adiet  aMicrotus  aAnimal  aDieta  aHabitat  aRoedor  aRodent  tJournal of Mammalogygv.46, n.4, p.605-612, 1965.