| Tag | Indicator | Content |
|---|---|---|
| 020 | ## | $a978-0-415-54070-4 |
| 041 | ## | $aEnglish |
| 082 | ## | $a338.1 |
| 100 | 0# | $aAndrew Barkley$a Paul W. Barkley |
| 245 | 00 | $aPrinciples of agricultural economics |
| 260 | ## | $aLondon $bRoutledge $c2013 |
| 300 | ## | $axxiv, 351 p. $bfig., table $c25 cm |
| 500 | ## | $aIncludes index. |
| 650 | 00 | $aAGRICULTURE - Economic aspects - United States |