TY  - BOOK
AU  - Hettmansperger Thomas P
TI  - Statistical inference based on ranks
T2  - Wiley series in probability and mathematical statistics
U1  - B28, M4;1-;3-;4-;5   TB 
PY  - 1984///
CY  - New York    
PB  -  John Wiley       
ER  -