@article{merner:1962:ace,
    author = {Merner, J. N.},
     title = {Algorithm 149: Complete elliptic integral},
   journal = {Comm. ACM},
    volume = {5},
      year = {1962},
    number = {12},
     pages = {605},
      note = {Includes Algol program, maximum accuracy 10D. For remark see
              ACM Trans. Math. Software {\bf 4} (1978), p.~95},
      issn = {0001-0782},
       doi = {10.1145/355580.355581}}