1. Adlassnig W, Steinhauser G, Peroutka M, Musilek A, Sterba JH, Lichtscheidl IK et al (2009) Expanding the menu for carnivorous plants: uptake of potassium, iron and manganese by carnivorous pitcher plants. Appl Radiat Isot 67:2117–2122
2. Commission of the European Communities (2002) Commission Decision of 9 September 2002 establishing revised ecological criteria for the award of the Community eco-label to light bulbs and amending Decision 1999/568/EC (notified under document number C(2002) 3310); 2002/747/EC
3. Commission of the European Communities (2009) Commission Regulation (EC) No 245/2009 of 18 March 2009 implementing Directive 2005/32/EC of the European Parliament and of the Council with regard to ecodesign requirements for fluorescent lamps without integrated ballast, for high intensity discharge lamps, and for ballasts and luminaires able to operate such lamps, and repealing Directive 2000/55/EC of the European Parliament and of the Council
4. European Parliament (2003) Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
5. European Parliament (2005) Directive 2005/32/EC of the European Parliament and of the Council of 6 July 2005 establishing a framework for the setting of ecodesign requirements for energy-using products and amending Council Directive 92/42/EEC and Directives 96/57/EC and 2000/55/EC of the European Parliament and of the Council