NASA NTRS · 19870017977
Extraterrestrial civilizations: Problems of their evolution
Abstract
The problem of finding extraterrestrial civilizations and establishing contact with them is directly related to the problem of their evolution. Possible patterns in this evolution and the stages in the evolution of extraterrestrial civilizations are examined.
Keep this discovery
Explore connections, maps & timelines
Leskov, L. V.. 1987-08-01. Extraterrestrial civilizations: Problems of their evolution. https://ntrs.nasa.gov/citations/19870017977
Cite the original work for its findings. Save a collection to share your selection of sources.