TY - RPRT TI - Calculations of the Moon's Thermal History at Different Concentrations of Radioactive Elements, Taking Into Account Differentiation on Melting AU - O I Ornatskaya AU - Ya I Al'ber AU - I L Ryazantseva PY - 1977 UR - https://ntrs.nasa.gov/citations/19780005004 ID - 19780005004 ER -