TY - BOOK AU - Kero,Antti ED - University of Oulu TI - Ionospheric D- region studies by means of active heating experiments and modelling: Diss. ... SN - 9789514289156 PY - 2008/// CY - Oulu KW - Ionosphere KW - Meteorology N1 - Academic dissertation to be presented with the permission of the Faculty of Science of the University of Oulu, for public discussion in Polaria, Sodankyla, on 8th December, 2008, at 12 o'clock noon; Includes bibliogr. references : (35-40.) ER -