TY - BOOK TI - The quality of man's enviroment T2 - Forum lectures U1 - 301.3 21 PY - 1969/// CY - Washington, D. C. PB - Voice of America KW - SOCIOLOGIA URBANA KW - URBANIZACION KW - CONFERENCIAS KW - CONGRESOS KW - REUNIONES N1 - Papers delivered at Smithsonian Institution annual symposium, February 16-18, 1967; Incluye bibliografia ER -