@Article{DT036,
  title = {Quasiparticle band offset at the (001) interface and
           band gaps in ultrathin superlattices of GaAs-AlAs
           heterojunctions},
  author = {Zhang, S. B. and Cohen, Marvin L. and
            Louie, Steven G. and Tomanek, D. and Hybertsen, Mark S.},
  journal = {Phys. Rev. B},
  volume = {41},
  number = {14},
  pages = {10058--10067},
  year = {1990},
  month = {May},
  url = {http://dx.doi.org/10.1103/PhysRevB.41.10058}
  doi = {10.1103/PhysRevB.41.10058},
  publisher = {American Physical Society}
}