Drake, Frank D.
Is anyone out there? : the scientific search for extraterrestrial intelligence / Frank Drake and Dava Sobel.
Drake's narrative account discusses the observatories around the world dedicated to detect extraterrestrial intelligence.
Drake, Frank D.
Drake, Frank D. fast (OCoLC)fst00128534
Life on other planets.
Astronomers -- United States -- Biography.
Sobel, Dava.