TY  - BOOK
AU  - Keats,J.A.
TI  - An introduction to quantitative psychology
T2  - Basic topics in psychology series
SN  - 0471462403
PY  - 1971///
CY  - Sydney
PB  - John Wiley & Sons Australasia
KW  - Psychometrics
N1  - References : p. 120-122
ER  -