000 | 00302 a2200121 4500 | ||
---|---|---|---|
080 |
_a631.811.9 _bL 524 B |
||
245 | 1 |
_aBetekenis van borium voor de plant _cby J.J. Lehr |
|
260 |
_aUtrecht _c1940 |
||
650 | _aTrace Elements Requirement | ||
100 | 1 |
_aLehr, J.J. _d |
|
300 | _a193 p. | ||
901 | _a23499 | ||
999 |
_c45491 _d45491 |