If you have any questions or problems with our products, the following resources are available to you through our web site:
https://www.amyuni.com/forum/viewforum.php?f=18
https://www.amyuni.com/en/resources/technicalnotes/
https://www.amyuni.com/forum/index.php
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We also provide some additional tools that can be downloaded free of charge and used with the PDF Creator product. These tools are available at: https://www.amyuni.com/en/resources/freetools/
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Adobe Acrobat SDK Interactive Features (Chapter 8 in PDF Reference)
http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/adobe_supplement_iso32000.pdf
OpenGIS© Implementation Specifications
EPSG Reference codes database