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  _  __     ___     ______     ______    _____   
 | |/ //   / _ \\  |      \\  /_   _//  / ____|| 
 | ' //   | / \ || |  --  //   -| ||-  / //---`' 
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 |_|\_\\   \___//  |______//  /_____//  \_____|| 
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Text this: Computational chemistry : a practical guide for applying techniques to real world problems