Matveevsky S. N., Pavlova S. V., Acaeva M. M., Kolomiets O. L. 2012. Synaptonemal
complex analysis of interracial hybrids between the Moscow and Neroosa
chromosomal races of the common shrew Sorex araneus showing regular formation
of a complex meiotic configuration (ring-of-four) // Comparative Cytogenetics.
V.6(3): 301-314.