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, French (français), and Spanish (español) versions are currently available. An older version is also available in Arabic (اللغة العربية).
More information is available in the full HXL 1.1 standard.