by Hee, K.M. van and Post, R.D.J. and Somers, L.J.A.M. and Werf, J.M.E.M. van der
Reference:
Process model repositories and PNML (Hee, K.M. van and Post, R.D.J. and Somers, L.J.A.M. and Werf, J.M.E.M. van der), In Definition, Implementation and Application of a Standard Interchange Format for Petri Nets (Proceedings of the workshop, Satellite event of ATPN 2004, Bologna, Italy, June 26, 2004) (Kindler, E., ed.), University of Paderborn, Germany, 2004.
Bibtex Entry:
@inproceedings{reppnml,
  author = {Hee, {K.M. van} and Post, {R.D.J.} and Somers, {L.J.A.M.} and Werf, {J.M.E.M. van der}},
  year = {2004},
  title = {Process model repositories and PNML},
  editor = {Kindler, {E.}},
  booktitle = {Definition, Implementation and Application of a Standard Interchange Format for Petri Nets (Proceedings of the workshop, Satellite event of ATPN 2004, Bologna, Italy, June 26, 2004)},
  pages = {56 -- 70},
  publisher = {University of Paderborn, Germany}
}

Process model repositories and PNML