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

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Text this: Paper quality of the National Library Board of Singapore's legal deposit collection as an indicator of the collection's longevity