@article{bibcite_571,
  author = {Stavros Zenios and Arne Drud and John Mulvey},
  title = {Balancing large social accounting matrices with nonlinear network programming},
  year = {1989},
  journal = {Networks},
  volume = {19},
  number = {5},
  pages = {569{\textendash}585},
  publisher = {Wiley Online Library},
}