發送短信 : Electrical charge transport and optical properties of iron pyrite

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|      \\  /_   _// | \  / ||  |  ___||  / ____|| 
|  --  //   -| ||-  |  \/  ||  | ||__   / //---`' 
|  --  \\   _| ||_  | .  . ||  | ||__   \ \\___   
|______//  /_____// |_|\/|_||  |_____||  \_____|| 
`------`   `-----`  `-`  `-`   `-----`    `----`