@article{article, title  = {{Ducted compressional waves in the magnetosphere in the double-polytropic approximation}},

 url = {{}},

 year = {{2002}},

 month = {{10}},

 author = {{Ballai I and Erdelyi R and Roberts B}},

 volume = {{20}},

 journal = {{ANN GEOPHYS-GERMANY}},

 issue = {{10}},

 pages = {{1553-1558}},

 note = {{Accessed on 2024/12/22}}}