Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads (IEC 60068-2-20:2008); German version EN 60068-2-20:2008, Corrigendum to DIN EN 60068-2-20:2009-02— 2 стр.
Harmonized system of quality assessment for electronic components. Basic specification: basic requirements for the use of statistical process control (SPC) in the CECC system— 16 стр.