Quién defiende la tierra?
Quién defiende la tierra?
Barbara Ward [y otros]; compilación de Maurice Strong; traducción de Juan José Utrilla.
- México Fondo de Cultura Económica c1975.
- 156 p.
Translation of : Who speaks for earth.
72011726
Human ecology--Addresses, essays, lectures.
Pollution--Addresses, essays, lectures.
Population--Addresses, essays, lectures.
301.31
Translation of : Who speaks for earth.
72011726
Human ecology--Addresses, essays, lectures.
Pollution--Addresses, essays, lectures.
Population--Addresses, essays, lectures.
301.31