TY  - BOOK
AU  - Szperkowicz Jerzy
TI  - Nicolaus Copernicus 1473-1973 Ed by Teresa Zemler Tr by Eugene Lepa
U1  - B9wI73, L2 
PY  - 1972///
CY  - Warszawa
PB  - PWN-Polish Scientific Publishers Poland     
KW  - MATHEMATICS
ER  -