Reference
P.J.H. van Bree, G.M.W van de Kamp-Hilt (1964): On the occurrence and distribution of two subspecies of Mus musculus Linnaeus, 1758 (Rodentia, Murinae) in the Netherlands – Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 29: 304 - 309.