@article{93980,
      url = {http://digitallibrary.un.org/record/93980},
      title = {Evaluation of dynamic duties of pumped-storage plants in  electric power system planning /},
      publisher = {UN,},
      recid = {93980},
      pages = {8 p.},
      address = {Geneva :. 1983-03-10},
      year = {1983},
      month = {Mar},
}