| 000 | 00358nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aHarrison, V.L. | ||
| 245 | _aDo sunspot cycles effect crop yields? | ||
| 260 | _aWashington | ||
| 260 | _c1976 | ||
| 300 | _a23 p. | ||
| 440 | _aNo. 327; United States Departm | ||
| 901 | _pS28017 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c120162 _d120162 |
||