TY  - BOOK
AU  - Walker, James A.,
AU  - McLean, Margaret M.  
AU  - Mathew, James W. 
TI  - Statistics: a first course 
SN  - 0340552468
U1  - 519.5 22
PY  - 1993///
CY  - London
PB  - Hodder and Stoughton, 
KW  - statistics
ER  -