TY  - BOOK
AU  - Coombs,Clyde H
TI  - A theory of data
U1  - 519.8 
PY  - 1964///
CY  - New York
PB  - John Wiley and Sons
KW  - Data, theory of
KW  - Factor analysis
KW  - Unfolding theory
N1  - Contents:  Pt. 1 Basic concepts - Pt. 2 Preferential choice data - Pt. 3  Single stimulus data - Pt. 4 Stimuli comparison data - Pt. 5 Similarities data - Pt. 6 Interrelations
ER  -