Affiliation: | (1) Department of Geography and Regional Planning, Indiana University of Pennsylvania, Indiana, PA;(2) Department of Urban and Regional Planning, University of Illinois at Urbana, Champaign;(3) Urban Systems Research & Engineering, Inc., 1218 Massachusetts Avenue, 02138 Cambridge, Massachusetts;(4) Yale School of Forestry & Environmental Studies, 205 Prospect Street, 06511 New Haven, Connecticut;(5) Moscow University, USSR;(6) Leningard Urban Planing Institute, USA |