TY  - BOOK
AU  - Oleksyshyn,John
TI  - Gypsum Deposits In Podolia and Opolia, Ukraine, and Their Stratigraphic Significance
PY  - 1954///
CY  - Philadelphia ?
KW  - Geology
N1  - Reprinted from: Proceedings of the PennsylvaniaAcademy of Sciences,pages 179-188. Vol. 28, 1954
ER  -