http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Speech & language developmental milestones
National Institute on Deafness and Other Communication Disorders (U.S.)
Also available via Internet from the NIDCD Web site. Address as of 2-21-02: http://www.nidcd.nih.gov/health/parents/speechandlanguage.htm; current access is available via PURL.
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2002 1 microfiche : negative.