1. A.S. Howe (2002). The Ultimate Construction Toy: Applying Kit-of-Parts Theory to Habitat and Vehicle Design (AIAA 2002-6116). 1st Space Architecture Symposium (SAS 2002), Houston, Texas, USA, 10-11October 2002. Reston, Virginia, USA: American Institute of Aeronautics and Astronautics.
2. A.S. Howe (2005). Cassette Factories and Robotic Bricks: a Roadmap for Establishing Deep Space Infrastructures (SAE 2005-01-2911). Proceedings of the 35th International Conference on Environmental Systems (ICES2005), 11-14July 2005, Rome, Italy. 400 Commonwealth Drive, Warrendale, PA: Society of Automotive Engineers.
3. A.S. Howe; I. Gibson (2006a). MOBITAT2: A Mobile Habitat Based on the Trigon Construction System (AIAA 2006-7337). 2nd International Space Architecture Symposium. San Jose, California, USA, 19-21September 2006. Reston, Virginia, USA:AmericanInstituteofAeronauticsandAstronautics.
4. A.S. Howe; I. Gibson (2006b). Trigon Panel Size Optimization Studies (AIAA 2006-7328). 2nd International Space Architecture Symposium. San Jose, California, USA, 19-21September 2006. Reston, Virginia, USA: American Institute of AeronauticsandAstronautics.