| 其他書名 | A Thesis Submitted in Partial Fulfillment ... for the Degree of Master of Science in Natural Resources (Conservation Biology and Ecosystem Management) ... |
| 出版 | University of Michigan, 1999 |
| URL | http://books.google.com.hk/books?id=5kWLk-2KQewC&hl=&source=gbs_api |