String quartet
Subtitle: op. 20a (from String quartet with piano pieces, op. 20)
Publisher: Schott
Published: 1976
Place of publication: London
Number of pages: 25
Subjects: String quartets -- Scores.
Genres: Scores.
Work titles: String quartet with piano pieces. string quartet
Notes: "Edition 11249."

"The String quartet may either be performed alone, or in combination with the Little piano pieces, op. 20b, as shown [i.e. simultaneously]"