TY  - RPRT
A1  - Tolbert, C.M. and Sizer, M.
T1  - U.S. Commuting Zones and Labor Market Areas: A 1990 Update
Y1  - 1966
UR  - http://catalogue.nla.gov.au/Record/4130913
PB  - Economic Research Service, Rural Economy Division, U.S. Department of Agriculture
CY  - Washington, D.C.
T3  - ERS Staff Paper Number 9614

ER  -