J.R. Jennings and G.H. Fraunfelter
Preliminary Report on Macropaleontology of Strata Above and Below the Upper Boundary of the Type Mississippian
J.R. Jennings and G.H. Fraunfelter
Preliminary Report on Macropaleontology of Strata Above and Below the Upper Boundary of the Type Mississippian
Recent Advances in Spectroscopy* Author: Michelson, A.A.
The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.
Recent Advances in Spectroscopy* Author: Michelson, A.A.