| 000 | 00354nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aClark, W.F. | ||
| 245 | _aControlling weeds and algae in farm ponds | ||
| 260 | _aIthaca | ||
| 260 | _c1954 | ||
| 300 | _a15 p. | ||
| 440 | _aNo. 910; Cornell Agricultural | ||
| 901 | _pS15253 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c118932 _d118932 |
||