HXL postcards (version 1.1)
The HXL Postcards provide an overview of the HXL standard in a 4×6 inch (10×15 cm) format, convenient for quick-reference use in the field. English and French (français) versions are currently available. Older versions are also available in Arabic (اللغة العربية) and Spanish (español).
More information is available in the full HXL 1.1 standard.