| Citation | Needham, J.G., 1920. Clean water for New York State. Cornell Rural School Leafl. 13(4):153-182. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 39117 |
| Language | English |
| Usage | not seen |
| Comments | |
| Remarks | |
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