TY  - BOOK
AU  - Hajek, J. J
TI  - Optimal sample size of roadside - interview origin destination surveys
U1  - 625.77 
PY  - 1977///
CY  - Canada
PB  - Ministry of transportation and communication
KW  - MCE
N1  - 0; 0; 0; 625_770000000000000_HAJ
ER  -