@article{stone:1980:rpe,
    author = {Stone, A. J. and Wood, C. P.},
     title = {Root-rational-fraction package for exact calculation of
              vector-coupling coefficients},
   journal = {Comput. Phys. Comm.},
  fjournal = {Computer Physics Communications},
    volume = {21},
      year = {1980},
    number = {2},
     pages = {195–205},
      note = {Double-precision Fortran, maximum accuracy 16D},
       doi = {10.1016/0010-4655(80)90040-5},
     links = {\URL[Code]{http://cpc.cs.qub.ac.uk/summaries/ABVN}}}