TY  - BOOK
AU  - Hettmansperger Thomas P
TI  - Statistical inference based on ranks
T2  - Wiley series in probability and mathematical statistics
U1  - B28, M4 
PY  - 1984///
CY  - New York
PB  - John Wiley        
KW  - Statistics
N1  - Bibliography : p310-18
ER  -