M. Antoni, W. Keller, and M. Weigelt. Observation our Changing Earth, Proceedings of the 2007 IAG General Assembly, Perugia, Italy, volume 133 of IAG Symposia, page 293--299. Springer Berlin Heidelberg, (2009)
M. Antoni, W. Keller, and M. Weigelt. Observation our Changing Earth, Proceedings of the 2007 IAG General Assembly, Perugia, Italy, volume 133 of IAG Symposia, page 293--299. Springer Berlin Heidelberg, (2009)