TY  - BOOK
AU  - wonnacott, t.h /wonnacott,r.j
TI  - Introductory statistics
AV  - QA 276.12 W67 1990 
PY  - 1990///
CY  - New york
PB  - John wdey and sons
KW  - Statistics
KW  - Mathematical statistics
ER  -