Population, enviroment, and people - National Congress of Optimum Population and Environment (1970 : 1st : Chicago); Hinrichs, Noel. (New York McGraw-Hill, 1971)
Selected papers of the First National Congress of Optimum Population and Environment, held June 1970, in Chicago.
Keywords: Population -- Congresses; United States -- Population -- Congresses; Environmental policy -- Congresses. -- United States