Studies, residences, and major compositional style from the Grove Concise Dictionary of Music entry at WQXR radio.

Biography including awards and honors with list of later works from the Swiss Music Information Centre.

List of works by genre from the Music Centre Slovakia.

Review of a compilation by pianist Tomas Bächli with Petra Ronner, encompassing most of his career, including biographical information and details about his style. From the October 2001 MusicWeb(UK).