@conference{369,
  keywords = {Process modeling, block-oriented process hierarchies},
  author = {Andreas Seyfang and Katharina Kaiser and Theresia Gschwandtner and Silvia Miksch},
  title = {Visualizing Complex Process Hierarchies During the Modeling Process},
  year = {2012},
  journal = {First International Workshop on Theory and Applications of Process Visualization (TAProViz'12)},
  publisher = {Springer},
  address = {Tallinn, Estonia},
  url = {http://publik.tuwien.ac.at/files/PubDat_209684.pdf},
}