| 000 | 00365nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 191031s9999 xx 000 0 und d | ||
| 100 | _a"National Science Foundation, Washigton" | ||
| 245 | 0 | _aNitrogen fixastion with photogenetic marine microorganisms | |
| 260 | _b"Natioal Technicla Information Service, USA" | ||
| 260 | _c1977 | ||
| 365 | _b91.40 | ||
| 942 | _cBK | ||
| 999 |
_c204505 _d204505 |
||