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

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Text this: Crystallization kinetic of Er<sup>3+</sup>-doped BiO<inf>1.5</inf>-GeO<inf>2</inf>-BO<inf>1.5</inf> glass-ceramic