TY - RPRT T1 - Trends in Black-White Test Score Differentials, II: The WORDSUM Vocabulary Test AU - Huang, Min-Hsiung AU - Hauser, Robert M. PY - 1996 SP - 33 - T2 - CDE Working Paper 96-30 CY - Madison, WI UR - http://www.ssc.wisc.edu/cde/cdewp/96-30.pdf PB - Center for Demography and Ecology ER -