@article{ stoneman_diffusion_1994,
  title = {The {Diffusion} of {Multiple} {Process} {Technologies}},
  volume = {104},
  number = {423},
  journal = {The Economic Journal},
  author = {Stoneman, Paul and Kwon, Myung-Joong},
  year = {1994},
  pages = {420--431}
}