@InProceedings{jackson:DagSemProc.06351.10,
  author =	{Jackson, Michael},
  title =	{{Structural Relationships among Models}},
  booktitle =	{Methods for Modelling Software Systems (MMOSS)},
  pages =	{1--6},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6351},
  editor =	{Ed Brinksma and David Harel and Angelika Mader and Perdita Stevens and Roel Wieringa},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06351.10},
  URN =		{urn:nbn:de:0030-drops-8633},
  doi =		{10.4230/DagSemProc.06351.10},
  annote =	{Keywords: Composition, model, problem, requirement, specificaiton, structure, subproblem}
}