| Type |  Book |
| ชื่อเรื่อง | Signs of life [electronic resource] : a report based on the April 2000 workshop on life detection techniques / Committee on the Origins and Evolution of Life, Space Studies Board, Division on Engineering and Physical Sciences, Board on Life Sciences, Division on Earth and Life Studies, National Research Council of the National Academies |
| ISBN | 0309509440 (electronic bk.) |
| | 9780309509442 |
| พิมพลักษณ์ | Washington, D.C. : National Academy Press, c2002 |
| รูปเล่ม | 1 online resource (xiv, 146 p.) |
| หัวเรื่อง | Life on other planets |
| | Life --Origin [] |
| | Space biology |