000 | 00322nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 160316s1971 xxu||||| |||| 00| 0 eng d | ||
020 | _a | ||
100 | _aInternational Atomic Energy Agency | ||
245 | _aNitrogen - 15 In Soil Plant Studies | ||
250 | _a1st | ||
260 |
_aVIENNA _bIAEA _c1971 |
||
300 | _a256 | ||
700 |
_a _a |
||
999 |
_c15768 _d15768 |