TY  - BOOK
AU  - Przelecki Marian Ed.
AU  -  Wojcicki Ryszard Ed.
TI  - Twenty five years of logical methodology in Poland
U1  - R17.595, L7 
PY  - 1977///
CY  - Dordrecht
PB  - D Reidel Pub Comp.    
KW  - PHILOSOPHY
ER  -