@article{EhrigGolasHabeletal.2014,
  author    = {Hartmut Ehrig and Ulrike Golas and Annegret Habel and Leen Lambers and Fernando Orejas},
  title     = {M-adhesive transformation systems with nested application conditions. Part 1: parallelism, concurrency and amalgamation},
  journal   = {Mathematical structures in computer science : a journal in the applications of categorical, algebraic and geometric methods in computer science},
  volume    = {24},
  number    = {4},
  doi       = {10.1017/S0960129512000357},
  year      = {2014},
}