Fossils of the Burgess Shale a national treasure in Yoho national park, British Columbia 1985 Conway Morris, S. | Whittington, H. B. |
Conservation report of Mt. Ishizuchi and Omogo-Valley in Ishizuchi Quasi national park, Shikoku 1979 Katto, Jiro | Suzuki, Hyoji | Minegumo, Yukio | Ishihara, Tamotsu |