@article{weko_20_1,
   author	 = "",
   title	 = "Ionosonde observations at King George Island, Antarctica: 1986-1991",
   journal	 = "Polar Data Journal",
   year 	 = "2020",
   volume	 = "4",
   number	 = "",
   pages	 = "30--44",
   month	 = "feb"
}