01674nam a22003491a 4500000141687MiAaHDL20250726000000.0m d cr bn ---auaua880715s1977 maua b 000 0 eng d(MiU)990001416870106381sdr-miu.990001416870106381(MiU)MIU01000000000000000141687-goog(OCoLC)4107344(CaOTULAS)160163838(RLIN)MIUG81-B7738(MiU)Aleph000141687MiUMiUUtOrBLWn-us---Birch, David L.Data acquisitionn and reduction for a model of population and employment change for metropolitan and rural areas in the United States /by David L. Birch, Peter M. Allaman, Elizabeth A. Martin.Cambridge, Mass. :Joint Center for Urban Studies of Massachusetts Institute of Technology and Harvard University,1977.iii, 76, [21] p. :ill. ;28 cmtexttxtrdacontentunmediatednrdamediavolumencrdacarrierBibliography: p. 75-76.Mode of access: Internet.Electronic data processingData preparation.http://id.loc.gov/authorities/subjects/sh85042292Labor mobilityMathematical modelsUnited States.Migration, InternalMathematical modelsUnited States.Martin, E. A.(Elizabeth A.)http://id.loc.gov/authorities/names/n50082060http://id.loc.gov/rwo/agents/n50082060Allaman, Peter M.Joint Center for Urban Studies.http://id.loc.gov/authorities/names/n79053963http://id.loc.gov/rwo/agents/n790539633901500525655000014168720241218064218.020250726000000.020260316165442.02026-03-17T10:57:40Z2025-11-16T18:50:03ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990001416870106381MiUSDRMIU000141687mdp.39015005256550MIU990001416870106381MIUMIU20260317googlemdp.390150052565501977icbibUS bib date1 >= 1931