Pamela Madsen wrote a chapter about a work by Anne La Berge that was premiered in Dag in the Branding with LOOS performing. The chapter is in the recently published book Between the Tracks.
https://mitpress.mit.edu/books/between-tracks
Gregory Taylor reviewed the book for Cycling ’74:
https://cycling74.com/articles/book-review-between-the-tracks-musicians-on-selected-electronic-music-puckette-hagan
A recent interview with Anne La Berge touches on her musical process, including improvisation, electronics and composition:
https://talkingfreemusic.wordpress.com/2020/11/02/anne-la-berge/