TY  - GEN
AU  - Ewald William R
ED  - American Institute of Planners
TI  - Environment and change: the next fifty years 
AV  - HT167 
PY  - 1968///
CY  - Bloomington
PB  - Indiana University Press
KW  - City planning
KW  - United States
KW  - Social policy
N1  - Based on papers commissioned for the American Institute of Planners’ two-year consultation, Part 1: Optimum environment with man as the measure, Portland, Oregon, August 14-18, 1966."; Includes bibliographies
ER  -