TY  - BOOK
AU  - Christian Robert R
TI  - Introduction to logic and sets
T2  - Blaisdell noook in the fuse and applied science d by Robert E KRourke
U1  - R1, K5 (ER) 
PY  - 1965///
CY  - London
PB  - Blaisdell Publishing Corporation     
KW  - LOGIC
ER  -