TY  - BOOK
AU  - Votaw,David Freeman
AU  - Levinson,Herbert S.
TI  - Elementary sampling for traffic engineers / 
U1  - 525.792 
PY  - 1962///
CY  - Saugatuck, Conn. : 
PB  - Eno Foundation for Highway Traffic Control, 
KW  - Sampling (Statistics)
KW  - Statistics
KW  - Traffic engineering
ER  -