Postprint version. Published in Technological Forecasting and Social Change, Volume 26, Issue 3, November 1, 1984, pages 312-313.
Copyright © 1984 Elsevier Science Inc.
NOTE: At the time of publication, the author Hemalata Dandekar was not yet affiliated with Cal Poly.
The definitive version is available at http://dx.doi.org/10.1016/0040-1625(84)90018-0..
Urban, Community and Regional Planning