TY  - BOOK
AU  - Belnap, Nuel D
AU  - Belnap,Nuel D
TI  - The Logic of Questions and Answers
SN  - 0300019629   
U1  - N10 
PY  - 1976///
CY  - London
PB  - Yale University Press
N1  - includes index and biblioraphy
ER  -