Control of daily sulphur dioxide instruments to minimise possible errors
Tài liệu tham khảo
Warren Spring Laboratory, Ministry of Technology, 1966, National Survey of Smoke and Sulphur Dioxide Instruction Manual
Warren Spring Laboratory, Ministry of Technology, 1967, The Investigation of Air Pollution National Survey of Smoke and Sulphur Dioxide. Monthly Summaries
Martin, 1971, Some measurements of loss of atmospheric sulphur dioxide near foliage, Atmospheric Environment, 5, 345, 10.1016/0004-6981(71)90106-5