TY - JOUR AU - Thackeray, J. Francis PY - 2020/01/29 Y2 - 2024/03/29 TI - Doubling the age and size of the universe at the IAU in Rome in 1952: Contributions by David Thackeray, Walter Baade and Harlow Shapley JF - South African Journal of Science JA - S. Afr. J. Sci. VL - 116 IS - 1/2 SE - Scientific Correspondence DO - 10.17159/sajs.2020/6363 UR - https://sajs.co.za/article/view/6363 SP - AB - ER -