Minnis, Patrick, J. Kirk Ayers, Rabindra Palikonda, and Dung Phan, 2004. "Contrails, Cirrus Trends, and Climate". Journal of Climate Vol. 17, No 8, pp. 1671-168

Minnis, Patrick, J. Kirk Ayers, Rabindra Palikonda, and Dung Phan, 2004. "Contrails, Cirrus Trends, and Climate". Journal of Climate Vol. 17, No 8, pp. 1671-1685, April 15, 2004 doi:10.1175/1520-0442(2004)017<1671:cctac>2.0.co;2 https://journals.ametsoc.org/doi/pdf/10.1175/1520-0442%282004%29017%3C1671%3ACCTAC%3E2.0.CO%3B2 https://journals.ametsoc.org/doi/pdf/10.1175/1520-0442%28200...