Geochemical Investigations of Some Black Shales and Associated Rocks: Issue 1314

Element Distribution in Some Trough and Platform Types of Black Shale and Associated Rocks: Issue 1214

Element Distribution in Some Shelf and Eugeosynclinal Black Shales: The Content and Association of Minor Elements in Different Black-shale Environments

Element Distribution in Some Paleozoic Black Shales and Associated Rocks: Issue 1214