Markus Popp: Music As Software
- Sound On Sound magazine October 2002 interview with Markus Popp (Oval), by Sam Inglis.
- http://www.soundonsound.com/sos/oct02/articles/oval.asp

Wolf's Compact Discography: Markus Popp
- Discography of Oval and Microstoria, with complete track listings and times, and album art.
- http://www.kompaktkiste.de/popp_m.htm

Oval, Microstoria, and the Man Behind their Curtains
- Disquiet e-zine article and interview, written by Marc Weidenbaum, on Markus Popp's work in Oval and Microstoria.
- http://www.disquiet.com/popp.html

A Conversation with Markus Popp of Oval and Microstoria
- Disquiet e-zine interview of Markus Popp, by Marc Weidenbaum.
- http://www.disquiet.com/popp-script.html