论文信息 - Did a single species of Eocene Azolla spread from the Arctic Basin to the southern North Sea - 字舞流文

Did a single species of Eocene Azolla spread from the Arctic Basin to the southern North Sea

H. Brinkhuis | M. Collinson | J. V. K. Cittert | J. Burgh | J. Barke | C. Heilmann-Clausen | L. Howard | J. K. Cittert