Quantification of CH₄ emissions from waste disposal sites near the city of Madrid using ground- and space-based observations of COCCON, TROPOMI and IASI oleh Q. Tu, F. Hase, M. Schneider, O. García, T. Blumenstock, T. Borsdorff, M. Frey, M. Frey, F. Khosrawi, A. Lorente, C. Alberti, J. J. Bustos, A. Butz, V. Carreño, E. Cuevas, R. Curcoll, R. Curcoll, C. J. Diekmann, D. Dubravica, B. Ertl, B. Ertl, C. Estruch, S. F. León-Luis, C. Marrero, J.-A. Morgui, R. Ramos, C. Scharun, C. Schneider, E. Sepúlveda, C. Toledano, C. Torres