TY - BOOK AU - Lyot, B. AU - Aly, M. K. TI - A spectrographic atlas of the solar corona from 3300 to 6900: based on plates taken at Khartoum during the total solar eclipse of February 25, 1952 PY - 1952/// CY - Paris PB - Meudon Observatory KW - Astronomy and astrophysics thesaurus KW - Atlas KW - Solar corona Atlas KW - Spectrographic atlas ER -