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1
State of the world, 2003 a Worldwatch Institute report on progress toward a sustainable society
Foilsithe / Cruthaithe 2003LEABHAR -
2
State of the world, 2002 a Worldwatch Institute report on progress toward a sustainable society
Foilsithe / Cruthaithe 2002LEABHAR -
3
State of the world, 2001 a Worldwatch Institute report on progress toward a sustainable society
Foilsithe / Cruthaithe 2001LEABHAR