@article{RockeGovorovWixforthetal.1998, author = {C. Rocke and A. O. Govorov and Achim Wixforth and G. B{\"o}hm and G. Weimann}, title = {Exciton ionization in a quantum well studied by surface acoustic waves}, journal = {Physical Review B}, volume = {57}, number = {12}, pages = {R6850 -- R6853}, doi = {10.1103/physrevb.57.r6850}, year = {1998}, }