000 | 00324nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
100 | _aDumenil, Lloyd | ||
245 | _aNitrogen fertilizers for corn | ||
260 |
_aIowa _c1952 |
||
300 | _a838-855 p. | ||
440 | _aIowa Agricultural Experiment | ||
901 | _a3573 | ||
942 |
_cB _2udc |
||
999 |
_c690 _d690 |