TY  - BOOK
A1  - Bryk, A.
A1  - Raudenbush, S.
A1  - Congdon, R.
T1  - Hierarchical Linear and Nonlinear Modeling with the HLM/2L and HLM/3L Programs
Y1  - 1996
CY  - Chicago
PB  - SSI Scientific Software International

ER  -