| 000 | 00531nam a2200145 4500 | ||
|---|---|---|---|
| 040 | _aISI Library | ||
| 082 |
_a73 630.7 _b9RB409 |
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| 110 |
_aUnited States. _bAgricultural Experiment Station. Department ofEconomics and Sociology |
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| 245 | _aNew Procedures in Estimating Feed Substitution Rates and in Determinig Economic Efficiency in Pork Production | ||
| 260 |
_aAmes, Iowa: _bAgricultural Experiment Station, _c1954. |
||
| 300 | _a805- 976 p. | ||
| 490 |
_aResearch Bulletin _v409 |
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| 650 | _aReports | ||
| 942 |
_2ddc _cRP |
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| 999 |
_c432456 _d432456 |
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