TY  - BOOK
AU  -  Laech Chris
TI  - Introduction to statistics: a nonparametric approach for the social sciences
SN  - 0471997420
U1  - 519.5 
PY  - 1979///
CY  - Chichester
PB  - John Wiley and sons
KW  - Nonparametric Statistical Tests
KW  - Statistics
N2  -  Statistics, Nonparametric Statistical Tests
ER  -