TY  - BOOK
AU  - Leach Chris
TI  - Introduction to statistics
SN  - 0 471 99742 0
U1  - 519.50 24301 Lea 
PY  - 1979///
CY  - New york
PB  - John wiley & sons
KW  - Introduction to statistics
N1  - includes references and indexes
ER  -