| Tag | Indicator | Content |
|---|---|---|
| 020 | ## | $a19 859482 8 |
| 041 | ## | $aEnglish |
| 082 | ## | $a630.913 |
| 100 | 0# | $aHans Ruthenberg |
| 245 | 00 | $aFarming systems in the tropics |
| 250 | ## | $a3rd. ed. |
| 260 | ## | $aOxford $bClarendon Press $c1980 |
| 300 | ## | $axxii, 424 p. $bfig., table $c24 cm |
| 500 | ## | $aIncludes index. |
| 650 | 00 | $aAGRICULTURE - Tropics |