TY  - BOOK
AU  - Ehrenfeld, Sylvain
AU  - Littauer, S. B.
TI  - Introduction to statistical method
T2  - McGraw-Hill series in probability and Statistics
SN  - 978-0070191259
U1  - 519.50182 
PY  - 1964///
CY  - New York
PB  - McGraw-Hill
ER  -