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	1.	State of the World 1987: a Worldwatch Institute Report on Progress Toward a Sustainable Society by Brown, Lester R [dir.] Material type: Text; Format: print regular print ; Audience: General; Publication details: New York (etc.) : W.W.Norton, c1987 Availability: No items available. Add to cart (remove)
	2.	State of the World 1987: a Worldwatch Institute Report on Progress Toward a Sustainable Society by Brown, Lester R [dir.] Material type: Text; Format: print regular print ; Audience: General; Publication details: New York (etc.) : W.W.Norton, c1987 Availability: Items available for loan: Biblioteca Pública de la UNLP (1). Place hold Add to cart (remove)
	3.	La situación en el mundo 1991 : El informe Worldwatch y las opciones para el restablecimiento de la salud de nuestro planeta by Brown, Lester R Material type: Text; Format: regular print ; Literary form: Not fiction ; Audience: Adolescent; Publication details: Buenos Aires : Sudamerican, 1991 Availability: Items available for loan: Biblioteca Colegio Nacional (1)Call number: 574 BRO . Place hold Add to cart (remove)
	4.	La situación en el mundo 1993 : El informe Worldwatch. La prosperidad del mundo amenazada por el deterioro ecológico by Brown, Lester R Material type: Text; Format: regular print ; Literary form: Not fiction ; Audience: Adolescent; Publication details: Buenos Aires : Sudamerican, 1993 Availability: Items available for loan: Biblioteca Colegio Nacional (1)Call number: 574 BROw . Place hold Add to cart (remove)
	5.	La situación en el mundo 1992 : El informe Worldwatch. Un lúcido examen de nuestro planeta y las alternativas de preservación del equilibrio ecológico by Brown, Lester R Material type: Text; Format: regular print ; Literary form: Not fiction ; Audience: Adolescent; Publication details: Buenos Aires : Sudamerican, 1992 Availability: Items available for loan: Biblioteca Colegio Nacional (1)Call number: 574 BROwn . Place hold Add to cart (remove)

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