Macroengineering -- references
I hope they listed this 20-year-old book chapter in their references:
http://www.jamesoberg.com/1984terraandseti_ter.html
Space/Science » in reply to Macroengineering in the Galactic Context: A New Agenda for Astrobiology v2
I hope they listed this 20-year-old book chapter in their references:
http://www.jamesoberg.com/1984terraandseti_ter.html