Source: Music of the Avant-garde, 1966–1973 - Google Books

https://books.google.de/books?id=gRrZvK9S9SgC&pg=PA108&lpg=PA108&dq=%22David+Behrman%22+1937&source=bl&ots=QrxljKPajt&sig=AfKDf7

“Source: Music of the Avant-garde, 1966-1973 brings its extraordinary, historical explorations and experimentations to a new audience of contemporary music devotees, researchers, composers, students, and educators. This welcome volume reproduces Source's…