| 其他書名 | In situ measurements of environmental gamma radiation using a mobile Ge(Li) spectrometer system / by S.P. Nielsen |
| 出版 | Risø National Laboratory, 1977 |
| ISBN | 87550050129788755005013 |
| URL | http://books.google.com.hk/books?id=AvpOAQAAMAAJ&hl=&source=gbs_api |