TY  - BOOK
AU  - Hettmansperger Thomas P
TI  - Statistical inference based on ranks
SN  - 0-471-88474-X
U1  - 000SA.12 
PY  - 1984///
CY  - New York
PB  - John Wiley
KW  - Experimental design
KW  - Nonparametric statistics
ER  -