@article{SchroderMTKHTCS05,
  author    = {Lutz Schr{\"o}der and
               Till Mossakowski and
               Andrzej Tarlecki and
               Bartek Klin and
               Piotr Hoffman},
  title     = {Amalgamation in the semantics of CASL},
  journal   = {Theor. Comput. Sci.},
  volume    = {331},
  number    = {1},
  year      = {2005},
  pages     = {215-247},
  ee        = {http://dx.doi.org/10.1016/j.tcs.2004.09.037}
}