Open AccessThe International Working Group On the Cambrian - Ordovician Boundary: Report of Progress
Author(s) -
B S Norford
Publication year - 1991
Language(s) - English
Resource type - Reports
DOI - 10.4095/132174
Subject(s) - ordovician , group (periodic table) , boundary (topology) , geology , paleontology , physics , mathematics , mathematical analysis , quantum mechanics