@misc{indiciaee5c509d666e3,
  title = {ALFVEN SIMPLE WAVES: EULER POTENTIALS AND MAGNETIC HELICITY},
  author = {Webb, G M and Hu, Q and Dasgupta, B and Zank, G P},
  year = {2010},
  doi = {10.1088/0004-637x/725/2/2128},
  url = {https://www.osti.gov/biblio/21476669},
  note = {Source identifier: 21476669}
}