Program Subtle technologies 01. – Toronto : Subtle Technologies, 2001. – 28 p.
Text in catalogue Beesley, Philip. – «Dissociated membranes». – Subtle technologies 01. – Toronto : Subtle Technologies, 2001. – P. 4-5. Also available on the Internet. {{www.subtletechnologies.com}}
Web site Subtle Technologies. – Toronto : Subtle Technologies. {{www.subtletechnologies.com}}