References
- Institut Bauen und Umwelt e.V. "Product Category Rules for Construction Products from the range of Environmental Product Declarations of IBU, Part A: Calculation Rules for the Life Cycle Assessment and Requirements on the Background Report", 2013.
- Institut Bauen und Umwelt e.V. "Product Category Rules for Construction Products from the range of Environmental Product Declarations of IBU, Part B: Requirements on the EPD for Pre-cast concrete components, Version 1.6", 2014.
- The Norweigan EPD Foundation. "Product-Category Rules For preparing an environmental declaration (EPD) for Product Group-Precast Concrete Products, NPCR20", 2012.
- Danish Technological Institute. "Guidelines-Uptake of carbon dioxide in the life cycle inventory of concrete", 2005.
- EN 16757 Sustainability of construction works - Environmental product declarations - Product Category Rules for concrete and concrete elements, 2017.