@article{barnett:1974:cwf,
    author = {Barnett, A. R. and Feng, D. H. and Steed, J. W. and Goldfarb, L.
              J. B.},
     title = {{C}oulomb wave functions for all real $\eta$ and $\rho$},
   journal = {Comput. Phys. Comm.},
  fjournal = {Computer Physics Communications},
    volume = {8},
      year = {1974},
    number = {5},
     pages = {377–395},
       doi = {10.1016/0010-4655(74)90013-7},
     links = {\URL[Code]{http://cpc.cs.qub.ac.uk/summaries/ABPC}},
      note = {Single-precision Fortran code for positive energies. For
              modification see same journal, {\bf{11}}(1976), p. 141.}}