TY  - BOOK
AU  - Lillard,Lee A.
ED  - Rand Corporation.
TI  - Sample dynamics: some behavioral issues 
T2  - A Rand note
PY  - 1990///
CY  - California
PB  - Rand Corporation
KW  - Income
KW  - Panel analysis
N1  - Includes bibliographical references (p.14-15)
ER  -