State of the world. 1990: A worldwatch Institute report on progress towars a sustainable society
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
London :
W. W. Norton,
1990
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| Materias: |
| Notas: | Copuright c1990 by worldwatch institue. Printed in the United States of America |
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| Descripción Física: | 253 p. |
| ISBN: | 0393207880 |