Tag | Indicator | Content |
---|---|---|
020 | ## | $a92-5-102154-6 |
041 | ## | $aEnglish |
100 | 0# | $aPaul W.Unger |
245 | 00 | $aTillage systems for soil and water conservation $cFAO |
260 | ## | $aRome $bFAO $c1984 |
300 | ## | $axvi, 278 p. $bfig., table $c29 cm |
440 | #0 | $aFAO Soil bulletin $c54 |