Kerry Sieh, Dayana Schonwalder Angel, Jason Herrin, and Jia Yong Quah,
2023. Proximal ejecta of the Bolaven extraterrestrial impact, southern Laos
Proceedings of the National Academy of Sciences. 120 (50) e2310351120
[doi.org]
[www.pnas.org]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)