Praxis symphonie voor twee vleugels met ad libitum hobo (althobo), 1973 (revisie 1990) - Wagenaar, Diderik (Donemus, 1975)
Title from HTML t.p. (viewed Sep. 2, 2014). - Written in 1973. - 1 full score. - For 2 pianos with oboe (or English horn) ad libitum. - Includes performance notes in Dutch