1. The Destinies of the Stars;Arrhenius,1918
2. The Measure of the Moon;Baldwin,1963
3. Erklarung der Oberflache de Planeten Mars;Baumann,1909
4. Comparison of the infrared spectrum of Mars with spectra of selected terrestrial rocks and minerals;Binder;Commun. Lunar Planetary Lab.,,1964
5. Polarization studies of planets;Dollfus,1961