Communication with Extraterrestrial Intelligence(CETI)/ed.by
Communication with Extraterrestrial Intelligence(CETI)/ed.by
Carl Sagan
- Cambridge The MassachusetsInstitute of Technology 1973
- 427 p.,phot.
0262191067
Astrophysics-Astronomy-Congresses--Life jn Other Planets
Interstellar Communication-Congresses
A9C73f1039
0262191067
Astrophysics-Astronomy-Congresses--Life jn Other Planets
Interstellar Communication-Congresses
A9C73f1039