NF EN 1438 : 1998

Foreword
Introduction
1 Scope
2 Normative references
3 Letter types
4 Principles
5 Symbols in alphabetical order
    5.1 Latin upper case - Italic letters
    5.2 Latin lower case - Italic letters
    5.3 Greek upper case - Roman letters
    5.4 Greek lower case - Italic letters
    5.5 General subscripts and subscripts formed from
          abbreviations or other combinations of letters
    5.6 Examples of combined subscripts
6 Examples of symbols with subscripts
7 Special symbols

Specifies a wide range symbols to be used in documents covering sodlid timber and all wood-based materials.