| Tag | Indicator | Content |
|---|---|---|
| 020 | ## | $a92-5-100510-9 |
| 041 | ## | $aEnglish |
| 100 | 0# | $aW. Flagi$a B. Nagar$a H.Sochtig$a C. Tietjen |
| 245 | 00 | $aOrganic materials and soil productivity $cFAO |
| 260 | ## | $aRome $bFAO $c1977 |
| 300 | ## | $avii, 119 p. $bfig., table $c27 cm |
| 440 | #0 | $aFAO Soil bulletin $c35 |