Crane, P. R., Friis, E. M., Suzuki, Y., Takahashi, M., & Uesugi, K. Floral evidence of Annonaceae from the late cretaceous of Japan.

Crane, Peter R., Else Marie Friis, Yoshio Suzuki, Masamichi Takahashi, and Kentaro Uesugi. Floral Evidence of Annonaceae From the Late Cretaceous of Japan.

Crane, Peter R., et al. Floral Evidence of Annonaceae From the Late Cretaceous of Japan.