@article{GratzerLasker,
  author = {Gr\"atzer, George and Lakser, Henry},
  interhash = {3e9031c3452bda5025b67930098e63da},
  intrahash = {200d680360ef9ab42903d4ea7b947a4b},
  journal = {Trans. Amer. Math. Soc.},
  number = 1,
  pages = {385--405},
  title = {On Complete Congruence Lattices of Complete Lattices},
  volume = 327,
  year = 1991
}