Reference

Peter Vogel, John Aeschimann, Chantal Thomas, Laetitia Bourquin, Barbara Engels (1998): Comparative winter thermoregulation and body temperature in three sympatric Apodemus species (A. alpicola, A. flavicollis, and A. sylvaticus)
– Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 63: 273 - 284.