
   technology, improvements (a synopsis with tables)
  ===================================================

  Some measurements on library catalogues
  
  The total number of books in typical libraries:
   
   23.000.000 | national library (Deutsche Nationalbibliothek)
   >5.000.000 | large university libraries (Munich, Leipzig)
   <5.000.000 | regular university libraries (Darmstadt, Rostock)
    
  What is the metadata of a book?
  
  What is it's length?
  
  Excursion on compression:
  
  The deplorable state of online public access catalogues (opac)
  Test your local public library (university library)
  
  - finite state compression
  - Grammar
  
  - Davila Zitat "Missbrauch des Buchdrucks"
                 "Verwaltung"
  
