| 000 | 00415nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aMayer, Leo V., Heady, Earl O. | ||
| 245 | _aProjected State and regional resources requirements for agriculture in the Unite | ||
| 260 | _aAmes | ||
| 260 | _c1969 | ||
| 300 | _a372-413 p. | ||
| 440 | _aIowa Agricultural and Home Eco | ||
| 901 | _pS16440 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c130866 _d130866 |
||