| |
Brenchley, Patrick J. Hirnantian glaciomarine diamictites - evidence for the spread of Glaciation and its effect on Upper Ordovician faunas. P.J.Brenchley et al. In In:BARNES, C.R. 199-, In:BARNES, C.R. S.325-336, : .and WILLIAMS, S.H.(eds.) Advances in Ordovician Geology, Geological Survey of Canada, 1991, Pap. 90-9.
| | |
|