Bryce L. Meyer’s website on closed cycle farming for space settlements
Life support system analysis for multi-generation starships
Greenhouse Design Concepts for the Moon and Mars: a paper presented at the 70th International Astronautical Congress 2019, Washington, DC by Barbara Imhof of LIQUIFER Systems Group
MELiSSA (Micro-Ecological Life Support System Alternative) is the European project of circular life support system. Proceedings from the 2018 Roma Conference
Human life support in permanent lunar base architecture. A paper presented at the 65th International Astronautical Congress in 2014. Sponsored by the International Astronautical Federation.
Luna Gaia – Closed-loop habitat for the moon. Final Report from the International Space University Summer Session Program 2006
Curt Holmer’s MS thesis on the stability and limitations of ecological closed life support systems