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           _    _    _    _      ___      _  __  
  ____    | || | || | \  / ||   / _ \\   | |/ // 
 |    \\  | || | || |  \/  ||  / //\ \\  | ' //  
 | [] ||  | \\_/ || | .  . || |  ___  || | . \\  
 |  __//   \____//  |_|\/|_|| |_||  |_|| |_|\_\\ 
 |_|`-`     `---`   `-`  `-`  `-`   `-`  `-` --` 
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Text this: Crack initiation and propagation in molded gypsum specimens with pre-cracked single flaws