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| LEADER |
00659nam a2200217 a 4500 |
| 001 |
18703.1.f |
| 003 |
arsfunl |
| 008 |
200806s ARG 000 0 spa d |
| 080 |
# |
# |
|a 574
|
| 100 |
1 |
# |
|a Ander-Egg, Ezequiel
|
| 245 |
1 |
3 |
|a El desafío ecológico
|c Ezequiel Ander-Egg
|
| 260 |
# |
# |
|a Buenos Aires
|b Humanitas
|c 1982
|
| 300 |
# |
# |
|a 150 p.
|c 20 cm
|
| 490 |
0 |
# |
|a Guidance / dirección de Sela Sierra de Villaverde
|v 16
|
| 650 |
0 |
7 |
|a Ecología
|2 mpirdes
|
| 650 |
0 |
7 |
|a Contaminación
|2 spines
|
| 650 |
0 |
7 |
|a Plaguicidas
|2 spines
|
| 650 |
0 |
7 |
|a Deterioro ambiental
|2 unescot
|
| 650 |
0 |
7 |
|a Derecho ambiental
|2 mpirdes
|
| 090 |
|
|
|a 574
|b A 566
|i 9990417
|u 1
|
| 090 |
|
|
|a 574
|b A 566
|i 9990418
|u 1
|