@Article{nhess-3-279-2003,
AUTHOR = {Liperovskaya, E. V. and Pokhotelov, O. A. and Hobara, Y. and Parrot, M.},
TITLE = {Variability of sporadic E-layer semi transparency (f$_{o}$E$_{s}$-f$_{b}$E$_{s}$)with magnitude and distance from earthquake epicenters to vertical sounding stations},
JOURNAL = {Natural Hazards and Earth System Science},
VOLUME = {3},
YEAR = {2003},
NUMBER = {3/4},
PAGES = {279--284},
URL = {http://www.nat-hazards-earth-syst-sci.net/3/279/2003/},
DOI = {10.5194/nhess-3-279-2003}
}