Michael Pohle (2010-04-20). Master Class (1) – Balancen (in de). Tanz-Michel. Retrieved on 2010-12-28.
Rebecca Ridolfo (2015-09-09). ‘My life experience was tantamount to worthless’ Freelancing Precariat (in en). basicincome.org.uk. Retrieved on 2015-09-14.web.archive.org
Geoffrey Riley & John Baxter (2017-05-24). Wed 8:30 - Why Our Brains Make Us Take Safety Risks (in en). ijpr.org. Retrieved on 2017-05-24.web.archive.org