TY  - BOOK
AU  - Snijders,Tom A.B.
AU  - Bosker,Roel J.
TI  - Multilevel analysis: an introduction to basic and advanced multilevel modeling 
SN  - 0761958908
AV  - QA278 S644M
PY  - 1999///
CY  - London
PB  - SAGE
KW  - MULTIVARIATE ANALYSIS
N1  - Includes bibliographical references and index
ER  -