登入選單
返回Google圖書搜尋
Age of the Orbitoid-bearing Eocene Limestone and Turritella Variata Zone of the Western Santa Ynez Range, California
出版San Diego Society of Natural History, 1931
URLhttp://books.google.com.hk/books?id=g10qxdRKrUgC&hl=&source=gbs_api