Winkler, G E. (2004). Heptameron. [S.l.]: Col legno.
ISBD CitationHeptameron / Gerhard E. Winkler . — [S.l.] : Col legno, 2004. — 1 CD (71 Min.) : DDD
MLA CitationWinkler, Gerhard E. Heptameron.[S.l.]: Col legno, 2004.
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