TY  - BOOK
AU  - Sullivan,John Lawrence
AU  - Feldman,Stanley
TI  - Multiple indicators: an introduction 
T2  - Sage University Papers Series
SN  - 0-8039-1369-9
AV  - H62 S85
PY  - 1979///
CY  - Newbury Park, Calif.
PB  - Sage
N1  - Bibliografia: p. 84-86
ER  -