http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
spermatogenesis of the opossum (Didelphys virginiana)
with special reference to the accessory chromosome und the chondriosomes
by H. E. Jordan, with 2 figures in the text and 3 plates ...
"Sonderabdruck aus dem Archiv fur Zellforschung. Band 7, heft 1."