TY - JOUR T1 - A.E. Douglass and the Canals of Mars JF - The Astronomy Quarterly Y1 - 1979 A1 - Webb, G.E. KW - astronomy KW - canals of mars KW - Douglass KW - historic PB - Pachart Publishing House VL - 3 IS - No. 9 N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER -