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  ______     ___      _  _     ______   _    _   
 /_   _//   / _ \\   | \| ||  /_   _// | |  | || 
 `-| |,-   / //\ \\  |  ' ||   -| ||-  | |/\| || 
   | ||   |  ___  || | .  ||   _| ||_  |  /\  || 
   |_||   |_||  |_|| |_|\_||  /_____// |_// \_|| 
   `-`'   `-`   `-`  `-` -`   `-----`  `-`   `-`

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Text this: Edge coupled microstrip resonators with periodical slot loading