Eleftheratos, K., G. Myhre, P. Minnis, I. Kapsomenakis, and C. Zerefos (2016), Chapter 61, Manmade Changes in Cirrus Clouds from 1984 to 2007: A Preliminary Study. In: Grammelis P. (eds) Energy, Transportation and Global Warming, Green Energy and Technology. Springer, Cham., 61, 827-836, doi:10.1007/978-3-319-30127-3_61.