| 000 | 00354 a2200133 4500 | ||
|---|---|---|---|
| 245 | 1 | _aInfluence of tree crowns on maple sap production | |
| 260 |
_aIthaca _c1955 |
||
| 650 | _aTree, Production | ||
| 440 | _aCornell Agricultural Experiment Station. Bulletin No. 916 | ||
| 100 | 1 | _aMorrow, R.R. | |
| 300 | _a1-30 p. | ||
| 942 |
_2udc _cB |
||
| 901 | _a47253 | ||
| 999 |
_c54525 _d54525 |
||