TY - JOUR AU - Sekanina, Zdeněk TI - Form and enlargement of the Earth's shadow during the lunar eclipses of August 26, 1961, July 6, 1963 and June 24-25, 1964 JO - Acta Universitatis Carolinae. Mathematica et Physica PY - 1965 SP - 1 EP - 20 VL - 06 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/AUCMP_1965__6_2_a0/ LA - en ID - AUCMP_1965__6_2_a0 ER -