Purchase codes

Authors may ask you for a purchase code to verify that you’ve purchased this item.

  • 19d6abd6-f3c3-49dd-96c6-593d02918a10 - 8 Nov 2015 Regular License
  • d7ff2e7d-3210-4b66-9e9b-55cf86b135a8 - 19 Dec 2014 Regular License