TY  - BOOK
AU  - Singer, Judith D. and Willett, John B.
AU  - Willett, John B. ; jt. auth.
TI  - Applied longitudinal data analysis: modeling change and event occurrence
SN  - 9780195152968
U1  - 330.015195 
PY  - 2003///
CY  - New York
PB  - Oxford University Press
ER  -