- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States
In continuation of comments made in a previously published discussion (for reference, see this Bibliography Vol. 31, No. 9, 18 E67-08160) reply is made to points of criticism of the work of the International Subcommission on Stratigraphic Classification appearing in subsequently published papers.