1. Metal Oxide Nanomaterials for Chemical Sensors,2013
2. A Brief History of Gas Detectionhttps://pksafety.com/blog/a-brief-history-of-gas-detection
3. A Short History of Gas Leak Detectionhttps://www.dodtec.com/a-short-history-of-gas-leak-detection/
4. On the Safety Lamp for Preventing Explosions in Mines, Houses Lighted by Gas, Spirit Warehouses, or Magazines in Ships, et. with Some Researches on Flame;Sir Humphry,1825
5. Humphry Davy in 1816: Letters and the Lamp