TY - RPRT TI - Analysis of the Apollo heat shield performance. Volume 1 - Analytical methods AU - Del Casal, E. P. AU - Deriugin, V. AU - Gaudette, R. S. AU - Halstead, D. W. PY - 1969 UR - https://ntrs.nasa.gov/citations/19690014516 ID - 19690014516 ER -