TY  - BOOK
AU  - Ahmavara Yrjo
AU  - Markkanen Touko
TI  - Unified factor model: its position in psychometric theory and application to sociological alcohol study
U1  - 000SB:302 
PY  - 1958///
CY  - Helsinki
PB  - Finish Foundation for Alcohol Studies
KW  - Human behavior
KW  - Mathematical models
ER  -