| 个人名称: | Sparks, Dennis Michael |
|---|---|
| 题名: | Microfloral zonation and correlation of some LowerTertiary rocks in southwest Washington and some conclusions concerning the paleoecology of the flora / Dennis M. Sparks. |
| 出版发行项: | Michigan : Michigan Atate Univ., Ph.D., 1967 |
| 载体形态: | 164 p.: illus. |
| 书目附注: | Includes bibliographical ref.& ind. |