TY  - BOOK
AU  - Downie N M
AU  -  Heath R W
TI  - Basic statistical methods
U1  - B28, L0 
PY  - 1970///
CY  - New York
PB  - Harper & Row       
KW  - Statistics
N1  - Bibliography : P 349-50; Appendixes: P 281-348
ER  -