TY  - BOOK
AU  - Kneale,William .
AU  - Kneale,Martha  .
TI  - The development of logic / 
SN  - 0198247737
U1  - 160 
PY  - 1988///
CY  - Oxford : 
PB  - Clarendon press , 
KW  - LOGIC
N1  - Includes bibliography and index
ER  -