DIN 18331 [CURRENT] references following documents:

Document number Edition Title
DIN 4223-102 2014-12 Application of prefabricated reinforced components of autoclaved aerated concrete - Part 102: Application of components in structures More 
DIN 4223-103 2014-12 Application of prefabricated reinforced components of autoclaved aerated concrete - Part 103: Safety concept More 
DIN 488-1 2009-08 Reinforcing steels - Part 1: Grades, properties, marking More 
DIN 488-2 2009-08 Reinforcing steels - Reinforcing steel bars More 
DIN 488-4 2009-08 Reinforcing steels - Welded fabric More