Non-destructive testing - Qualification and certification of personnel for thermographic testing - General and special principles for level 1, 2 and 3— 32 стр.
Optics and optical instruments - Visual acuity testing - Method of correlating optotypes (ISO 8597:1994, including Technical Corrigendum 1:1995); German version EN ISO 8597:1996— 4 стр.
Conformity assessment - General requirements for bodies operating certification of persons (ISO/IEC 17024:2003); German and English version EN ISO/IEC 17024:2003
