http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Base-year and first follow-up data file users manual
National Longitudinal Study of the High School Class of 1972
National Center for Education Statistics
Center for Educational Research and Evaluation.
[Jay Levinsohn, John A. Riccobono, R. Paul Moore ; Center for Education Research and Evaluation, Research Triangle Park].
Prepublication draft of supporting documentation for the preliminary Public Use Data File from the National Longitudinal Study of the High School Class of 1972 (NLS), produced under contract number OEC-0-6666 for the National Center for Education Statistics.
At head of title: National Longitudinal Study of the High School Class of 1972.