Conferencia sobre el Medio Ambiente y el Desarrollo (1992. Rio de Janeiro, Brasil) The earth summit : the United Nations conference on environmental and development (UNCED) / introduction and commentary by Stanley P. Johnson ; Naciones Unidas. — London ; Norwell : Graham & Trotman ; Kluwer Academic, 1993. — CIDIMA. — 532 p. ; 25 cm. — ( International environmental law and policy) | |||||||||||
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