@Article{npg-19-657-2012,
AUTHOR = {Yu, Z. G. and Anh, V. and Eastes, R. and Wang, D.-L.},
TITLE = {Multifractal analysis of solar flare indices and their horizontal visibility graphs},
JOURNAL = {Nonlinear Processes in Geophysics},
VOLUME = {19},
YEAR = {2012},
NUMBER = {6},
PAGES = {657--665},
URL = {https://npg.copernicus.org/articles/19/657/2012/},
DOI = {10.5194/npg-19-657-2012}
}