@book{ 0-023436956, title = {Improvising jazz}, author = {Coker, Jerry and Janisch, Josef}, editor = {Janisch, Josef}, address = {Rottenburg a. N.}, publisher = {Advance Music}, year = {1985}, isbn = {3892210004}, language = {German}, language = {English}, url = {http://d-nb.info/870286285/04}, url = {https://katalog.hfmdd.de/Record/0-023436956} }