Living Off the Land in Space Green Roads to the Cosmos / by C Bangs, Greg Matloff, Les Johnson.

by Bangs, C., Bangs, C., Matloff, Greg., Johnson, Les.
Published 2007

Harvesting Space for a Greener Earth by Greg Matloff, C Bangs, Les Johnson.

by Matloff, Greg., Matloff, Greg., Bangs, C., Johnson, Les.
Published 2014