TY  - BOOK
AU  - Barker,Stephen F., x
AU  - x
TI  - Te  elements of logic: x
SN  - 0070037205
U1  - RB 160/BAE 
PY  - 1980///
CY  - N.Y.
PB  - Megraw - Hill Book company
KW  - Lohic
KW  - Philosophy
N1  - Includes
ER  -