@phdthesis{ethos-7139,
  title = {Creating signed directed graph models for process plants},
  author = {Claire Palmer},
  year = {1999},
  url = {http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300234},
  note = {British Library, EThOS},
  researchr = {https://researchr.org/publication/ethos-7139},
  cites = {0},
  citedby = {0},
  school = {Loughborough University, UK},
}