@misc{indiciae36132593102f,
  title = {Excitonic Stark shift: A coupling to "semivirtual" biexcitons.},
  author = {M Combescot and R Combescot},
  year = {1988},
  doi = {10.1103/physrevlett.61.117},
  url = {https://pubmed.ncbi.nlm.nih.gov/10038708/},
  note = {Source identifier: 10038708}
}