TY  - BOOK
AU  - Leach,Chris
TI  - Introduction to statistics: a nonparametric approach for the social sciences 
SN  - 0471997420
PY  - 1979///
CY  - Chichester
PB  - John Wiley & Sons
KW  - Statistics
KW  - Nonparametric statistics
KW  - Social sciences
KW  - Statistical methods
N1  - Includes index; Bibliography : p. 324-326
ER  -