http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
dynamic relationship between low birthweight and induced abortion in New York City
14 pages, 9 unnumbered pages : illustrations ; 23 cm.
Theordore [as printed] Joyce, Michael Grossman.
Working paper series (National Bureau of Economic Research) ; no. 3211