@Article{npg-12-691-2005,
AUTHOR = {Sonnemann, G. R. and Grygalashvyly, M.},
TITLE = {On the two-day oscillations and the day-to-day variability in global 3-D-modeling of the chemical system of the upper mesosphere/mesopause region},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {12},
YEAR = {2005},
NUMBER = {5},
PAGES = {691--705},
URL = {http://www.nonlin-processes-geophys.net/12/691/2005/},
DOI = {10.5194/npg-12-691-2005}
}