TY  - BOOK
AU  - Ehrenfeld, Sylvain
TI  - Introduction to statistical method
U1  - 519.5 
PY  - 1964///
CY  - USA
PB  - McGraw Hill Company
KW  - MCE
N1  - 0; 0; 0; 519_500000000000000_EHR
ER  -