TY  - GEN
AU  - Johnson, W.E
TI  - Logic
U1  - 160 
PY  - 0000///19-
CY  - New York
PB  - Dover
KW  - Logic
KW  -  Philosophy
N1  - Vol I:Logic[1964],  Vol 2:Demonstrative inference:deductive and inductive[1964]
ER  -