05(Un.Kan.) | Pale | University of Kansas The University of Kansas Paleontological contributions [Текст] : New series. — Lawrence, 1999. — N 10/11 : Stratigraphic and geographic bryozoan abundance gradients in the Calcareous shales of the Wreford megacyclothem /J.F. Pachut, R.J. Cuffey. |
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