DIN 18331 [Withdrawn] references following documents:

Document number Edition Title
DIN 4166 1997-10 Autoclaved aerated concrete slabs and panels 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