- Examination of the Long‐Term Subsurface Warming Observed at the Apollo 15 and 17 Sites Utilizing the Newly Restored Heat Flow Experiment Data From 1975 to 1977 - Nagihara - 2018 - Journal of Geophysical Research: Planets https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018je005579 5 comments space