@article{Souster_1976, title={Review of Feedback Papers 5-9}, url={https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal14_p36}, DOI={10.25602/GOLD.cj.v0i14.1028}, abstractNote={<p> </p> <p> </p>}, number={14}, journal={Contact: A Journal for Contemporary Music (1971-1990)}, author={Souster, Tim}, year={1976}, month={Sep.} }