1. Volatile Organic Compounds in the Atmosphere;Hester,1995
2. Council Directive 1999/13 / EC on the reduction of emissions of volatile organic compounds due to the use of organic solvents in certain activities and installations.
3. Gaseous VOCs rapidly modify particulate matter and its biological effects – Part 2: Complex urban VOCs and model PM
4. Libelium Smart Sensing, www.libelium.com
5. LwM2M over MQTT, MICROEJ-Eclipse IOT Days, Grenoble – March 9, (2017)