TY  - BOOK
AU  - Lad, Frank
TI  - Operational subjective statistical methods: ; a mathematical philosophical and historical introduction 
T2  - Wiley series in probability and Statistics
U1  - 519.5 
PY  - 1996///
CY  - New York
PB  - John Wiley
N1  - "A wiley interscience pubns."
ER  -