TY  - BOOK
AU  - Falk Ruma
TI  - Understanding probability and statistics: a book of problems
SN  - 1-56881-018-0
U1  - 519.2076 
PY  - 1993///
CY  - Wellesley
PB  - A K Peters
KW  - Probabilities>Problems, exercises>
ER  -