@article{armstrong:1967:slp,
    author = {Armstrong, B. H.},
     title = {Spectrum line profiles: The {V}oigt function},
   journal = {J. Quant. Spectrosc. Radiat. Transfer},
      year = {1967},
    volume = {7},
     pages = {61–88},
       doi = {10.1016/0022-4073(67)90057-X}}