jgs2021-037_si_004.docx (31.07 kB)
Helmersen 1872–English. The naming of the Permian System
journal contribution
posted on 2021-05-13, 14:26 authored by Michael J. Benton, Andrey G. SennikovEnglish translation of Helmersen, G.P. 1872. Sir Roderick Impey Murchison: [Obituary]. Gorniy Zhurnal, 1872(2), 340–352.