TY - BOOK AU - Blaschke,Thomas J. AU - Haggstrom,Gus W. AU - Morrison,Peter A. ED - National Institute of Child Health and Human Development ED - Rand Corporation. TI - Procedures for estimating parenthood and marital status for respondents to the national longitudinal study of the high school class of 1972 T2 - A Rand note PY - 1979/// CY - California PB - Rand Corporation KW - High school students KW - Social conditions KW - United States KW - Marital status ER -