@incollection{Wixforth2019,
  author    = {Achim Wixforth},
  title     = {Magneto-acoustic interaction of surface waves with a two-dimensional electron system},
  booktitle = {II International Symposium on Surface Waves in Solids and Layered Structures and IV International Scientific Technical Conference Acoustoelectronics '89: September 14 - 19, 1989, Varna, Bulgaria},
  editor    = {M. Borissov and L. Spassov and Z. Georgiev and I. Avramov},
  isbn      = {981-02-0091-9},
  year      = {2019},
}