TY  - BOOK
AU  - Siegel, Sidney
TI  - Nonparametric statistics for the behavioural sciences
U1  - 311.2/SIE 
PY  - 1956///
CY  - Tokyo
PB  - McGraw-Hill Kogakusha Ltd.
KW  - Experimental design
KW  - Nonparametric statistics
ER  -