| 其他書名 | Hearing Before a Subcommittee of the Committee on Armed Services, United States Senate, Eightieth Congress, Second Session, on S. 1560, a Bill to Facilitate the Performance of Research and Development Work by and on Behalf of the War and Navy Departments, and for Other Purposes. March 12, 1948 |
| 出版 | U.S. Government Printing Office, 1948 |
| URL | http://books.google.com.hk/books?id=qeBEAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |