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| LEADER |
00731nam#a2200217#a#4500 |
| 001 |
OAGSID000747 |
| 003 |
OAG |
| 008 |
||||||s1966 a |||| ||spa d |
| 040 |
# |
# |
|a OAG
|b spa
|c OAG
|
| 080 |
# |
# |
|a 631.4
|
| 092 |
# |
# |
|c 631.4 EST
|
| 110 |
2 |
# |
|a Estados Unidos.
|b Department of Agriculture.
|b Servicio de Conservación de Suelos.
|
| 245 |
1 |
0 |
|a Manual de conservación de suelos
|
| 260 |
# |
# |
|a México :
|b Centro Regional de Ayuda Técnica,
|c 1966
|
| 300 |
# |
# |
|a 332 p. :
|b il.
|
| 650 |
0 |
4 |
|a Edafología
|
| 650 |
0 |
4 |
|a Conservación de suelos
|
| 929 |
# |
# |
|a DON
|c Biblioteca Técnica U.S.A.I.D
|9 9-10-67
|
| 930 |
# |
# |
|a 6708
|b ej.1
|d PRE
|
| 952 |
# |
# |
|f DON
|k Biblioteca Técnica U.S.A.I.D
|w ||||||
|p OAG6708
|t ej.1
|a OAG
|b OAG
|o 631.45 EST
|y IMP
|
| 999 |
# |
# |
|a Ana
|
