http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Experimental studies on the duration of life
Density of population and life duration in drosophila
Raymond Pearl, John Rice Miner and Sylvia L. Parker.
"Reprinted from the American naturalist, Vol. LXI, July-August, 1927."