@article{TUW-110077, author = {Hlawatsch, Franz and Urbanke, R.L.}, title = {Bilinear time-frequency representations of signals: The shift-scale invariant class}, journal = {IEEE Transactions on Signal Processing}, year = {1994}, volume = {vol. 42}, number = {no. 2}, pages = {357--366}, url = {http://publik.tuwien.ac.at/files/pub-et_10987.pdf} }