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In page Serialism:

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Along with John Cage's indeterminate music (music composed with the use of chance operations) and Werner Meyer-Eppler's aleatoricism, serialism was enormously influential in postwar music. Theorists such as Milton Babbitt and George Perle codified serial systems, leading to a mode of composition called "total serialism", in which every aspect of a piece, not just pitch, is serially constructed.[1] Perle's 1962 text Serial Composition and Atonality became a standard work on the origins of serial composition in the music of Schoenberg, Berg, and Webern.[citation needed]