The economics of recycling waste materials .-- Washington : U.S. Government Printing Office , 1972
.--198 p. grab., lám. 23 cm.
En cub.: Hearings before the Subcommitte on Fiscal Policy of the Joint Economic Committee Congress of the United States: Ninety-Second Congress, First Session: November 8 and 9, 1971
POLITICA ECONOMICA
MEDIO AMBIENTE
ESTADOS UNIDOS
ESTUDIOS