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| LEADER |
00771nam#a2200289#a#4500 |
| 001 |
OUN152661 |
| 003 |
OUN |
| 005 |
20060601105400 |
| 008 |
940428s1990 KE |||| ||eng d |
| 040 |
# |
# |
|a OUN
|
| 080 |
# |
# |
|a 504:622.362
|
| 080 |
# |
# |
|a 622.362:504
|
| 092 |
# |
# |
|s NU/F
|c 504:622.362
|l P738s
|
| 110 |
2 |
# |
|a PNUMA.
|
| 245 |
1 |
0 |
|a Sand and gravel extraction /
|c United Nations Environment Programme.
|
| 260 |
# |
# |
|a Nairobi, Kenia :
|b UN,
|c 1990.
|
| 300 |
# |
# |
|a 37 p. ;
|c 21 cm.
|
| 440 |
# |
# |
|a Environmental management guidelines ;
|v no.20
|
| 650 |
# |
4 |
|a ARENA
|
| 650 |
# |
4 |
|a GRAVA
|
| 650 |
# |
4 |
|a EXTRACCION
|
| 650 |
# |
4 |
|a IMPACTO AMBIENTAL
|
| 866 |
0 |
# |
|a 1 ej.
|
| 907 |
# |
# |
|a TEXTO
|
| 930 |
# |
# |
|a F17913
|p v
|
| 942 |
# |
# |
|c IMP
|
| 952 |
# |
# |
|p OUNF17913
|a OUN
|b OUN
|o NU/F 504:622.362 P738S
|y IMP
|
