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| LEADER |
00703nam#a2200241#a#4500 |
| 001 |
OAGSID000638 |
| 003 |
OAG |
| 008 |
||||||s1950 |||| |||| ||eng d |
| 040 |
# |
# |
|a OAG
|b spa
|c OAG
|
| 080 |
# |
# |
|a 631.4:339.5
|
| 092 |
# |
# |
|c 631.4:339.5 B964
|
| 100 |
1 |
# |
|a Bunce, Arthur C.
|
| 245 |
1 |
0 |
|a The economies of soil conservation
|
| 260 |
# |
# |
|a Ames :
|b Iowa state college press,
|c 1950
|
| 300 |
# |
# |
|a 227 p. :
|b diagr.
|
| 504 |
0 |
# |
|a Notas de pie de página. Bibliografía: p.207-213
|
| 650 |
0 |
4 |
|a Edafología
|
| 650 |
0 |
4 |
|a Conservación de suelos
|
| 650 |
0 |
4 |
|a Economía
|
| 929 |
# |
# |
|a COM
|9 30-1-57
|
| 930 |
# |
# |
|a 2323
|b 1
|d PRE
|
| 952 |
# |
# |
|f COM
|w ||||||
|p OAG2323
|t v.1
|a OAG
|b OAG
|o 631.4:339.5 B964
|y IMP
|
| 999 |
# |
# |
|a Betty
|
