TY  - BOOK
AU  - Wonnacott, Thomas H.  .
TI  - Introductory statistics / 
SN  - 0-471-61518-8
U1  - B28 
PY  - 1990///
CY  - New York : 
PB  - John Wiley & Sons, Inc. , 
KW  - Mathematics
ER  -