student catalog

- library
  - media
    
    attribute callNo: dd111111
    
    attribute edition: 6th 07
    
    attribute type: book
    - isbn
      - isbn10
        
        element content 031247167x
      - isbn13
        
        element content 9780312471675
    - title
      
      element content Writer's Reference, WID Version
    - authors
      - author
        
        element content Hacker
    - publisher
      
      element content MPS
  - media
    
    attribute callNo: e1234567
    
    attribute type: electronic
    - webLink
      
      element content http://www.google.com/
    - title
      
      element content Google
    - authors
      - author
        
        element content Some dude..
    - publisher
      
      element content Google Inc.
  - media
    
    attribute callNo: dd1111112
    
    attribute edition: 1
    
    attribute type: dvd
    - isbn
      - isbn10
        
        element content 1234567890
    - title
      
      element content The Amazing Video
    - authors
      - author
        
        element content The Amazing Guy
    - publisher
      
      element content The Amazing Publisher
  - media
    
    attribute callNo: dd1111113
    
    attribute type: cassette
    - isbn
      - isbn10
        
        element content 1234567891
    - title
      
      element content Some Audio Cassette
    - authors
      - author
        
        element content Some Guy
    - publisher
      
      element content Some Publisher