Methods of test for mortar for masonry - Part 3: Determination of consistence of fresh mortar (by flow table); German version EN 1015-3:1999+A1:2004+A2:2006— 12 стр.
Concrete, reinforced and prestressed concrete structures - Part 2: Concrete - Specification, properties, production and conformity - Application rules for DIN EN 206-1— 62 стр.