Wypych, George (2017). Handbook of foaming and blowing agents. Toronto. ISBN 978-1-927885-18-5. OCLC 963394095.{{cite book}}: CS1 maint: location missing publisher (link) 978-1-927885-18-5
"Blowing Agent - an overview". https://www.sciencedirect.com/topics/materials-science/blowing-agent
Kumaran, M.K.; Bomberg, M.T.; Marchand, R.G.; Ascough, M.R.; Creazzo, J.A. (October 1989). "A Method for Evaluating the Effect of Blowing Agent Condensation on Sprayed Polyurethane Foams". Journal of Thermal Insulation. 13 (2): 123–137. doi:10.1177/109719638901300207. ISSN 0148-8287. S2CID 110851023. http://journals.sagepub.com/doi/10.1177/109719638901300207
Banhart, John (2000). "Manufacturing Routes for Metallic Foams". JOM. 52 (12). Minerals, Metals & Materials Society: 22–27. Bibcode:2000JOM....52l..22B. doi:10.1007/s11837-000-0062-8. S2CID 137735453. Archived from the original on 2012-01-01. Retrieved 2012-01-20. https://web.archive.org/web/20120101225041/http://www.tms.org/pubs/journals/JOM/0012/Banhart-0012.html
"CarDio CO2 Technology Leaps Forward". Archived from the original on 2006-05-07. Retrieved 2012-01-20. https://web.archive.org/web/20060507050721/http://www.cannonviking.com/minisiti/news/house/cannonNews.asp?id=201&lingua=uk