Student solutions manual, Chemistry--principles and reactions, seventh edition, William L. Masterton, Cecile N. Hurley, Edward J. NethWilliam L. Masterton, Cecile N. Hurley2012PDF · 32 MBEN
Electron density profiles in ionosphere and exosphere. Proceedings of the NATO Advanced Study Institute held at Finse, Norway, April 1965, dedicated to Sir Edward V. Appleton. 1966PDF · 29 MBEN