| 其他書名 | Power Costs and Production Requirements in the Northern Coastal Plains |
| 出版 | Agricultural Experiment Station of the N.C. State College of Agriculture and Engineering and N.C. Department of Agriculture, cooperating, 1944 |
| URL | http://books.google.com.hk/books?id=zH8SAQAAIAAJ&hl=&source=gbs_api |