| 其他書名 | F.B. Loomis. Desmids of the Medicine Bow Forest of Wyoming, Loretta R. Miller. Elementary School Pupil's Preferences for Expressional Activities, Mildred A. Dawson |
| 出版 | University of Wyoming (3 fasc. en 1 vol. in-4° paginé 59-129, fig.) |
| URL | http://books.google.com.hk/books?id=yFFjQwAACAAJ&hl=&source=gbs_api |