| 其他書名 | An Observer's Guide to the First Comet to be Explored by a Spacecraft, February 14, 1985 |
| 出版 | National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, 1985 |
| URL | http://books.google.com.hk/books?id=tZAoAAAAYAAJ&hl=&source=gbs_api |