A Conversation with Markus Popp of Oval and Microstoria: Disquiet e-zine interview of Markus Popp, by Marc Weidenbaum.
Markus Popp: Music As Software: Sound On Sound magazine October 2002 interview with Markus Popp (Oval), by Sam Inglis.
Oval Archive: Links to interviews and articles on Oval, in German and English.
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.
Wolf's Compact Discography: Markus Popp: Discography of Oval and Microstoria, with complete track listings and times, and album art.