| 其他書名 | A Summary of Research Studies Under Regional Project NC-9 Including the Revised Program "Utilization of Materials to Meet Housing Needs of Rural Families." |
| 出版 | Purdue University Agricultural Experiment Station, 1942 |
| URL | http://books.google.com.hk/books?id=6TJ_AQAACAAJ&hl=&source=gbs_api |