TY  - BOOK
AU  - Beckmann, Petr.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1968///46
CY  - New York
PB  - Harcourt, Brace & World
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Probabilities
N1  - Further reading: p. 181-184; 5
ER  -