TY  - BOOK
AU  - Hodges,Wilfrid
TI  - Logic : an introduction to elementary logic / 
SN  - 0140136363
U1  - 160 
PY  - 1977/// rep 1991
CY  - London : 
PB  - Penguin Books , 
KW  - LOGIC
N1  - NULL
ER  -