@article{93981,
      url = {http://digitallibrary.un.org/record/93981},
      title = {Evaluation of dynamic duties of pumped-storage plants in  electric power systems planning : consolidated report /},
      publisher = {UN,},
      recid = {93981},
      pages = {3 p.},
      address = {Geneva :. 1983-04-15},
      year = {1983},
      month = {Apr},
}