| 其他書名 | A Forum for the Presentation and Discussion of Possible Shuttle-based Experiments and Observations of Comets and Cometary-like Materials |
| 出版 | George C. Marshall Space Flight Center, 1977 |
| URL | http://books.google.com.hk/books?id=_pXvAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |