TY - RPRT A1 - Koerber, K. T1 - Comparison of ACS and ASEC data on geographic mobility: 2004 Y1 - 2007 UR - https://www.census.gov/content/dam/Census/library/working-papers/2007/acs/2007_Koerber_01.pdf. PB - US Census Bureau CY - Washington, D.C ER -