1. Hillier, B., Jonsson, L., Ryding, S.: International guide to environmental product declarations. Stockholm: Elanders Novum, GEDnet, (2002), 87 p.
2. Jensen, A. A. et al.: Life Cycle Assessment: A guide to approaches, experiences and information sources. European Environment Agency, Denmark, (1997), pp.9-12.
3. Kotovicova, J. et al.: Selected Topics in Environmental. Brno, (2009), 111 p.
4. Kotovicova, J., Stejskal, B., Vaverkova, M.: Use the USV tools in Agriculture. In: Proceedings Conference Waste forum, Prag, (2007), pp.3495-3499.
5. Kovanda, J., Hak, T.: Manual of sustainable consumption and production. Prag, (2009), 98 p.