TY  - BOOK
AU  - Holzinger K I
AU  - Swineford F
TI  - Study in factor analysis: the stability of a bi-factor solution
U1  - 151.2651 
PY  - 1939///
CY  - Chicago
PB  - Chicago university
KW  - Bi-factor method
KW  - Factor analysis
KW  - Psychology
ER  -