TY  - BOOK
AU  - Menzler F A A
TI  - Sources and nature of statistical information in special filelds of statistics: rail and road statistics
U1  - 000SC:385(42) 
PY  - 1950///
KW  - Statistical information
N1  - Photo print from JRSS, 113(3), 1950 ; p.352-375
ER  -