| 其他書名 | A World Bibliographic Guide to Medical, Agricultural, Industrial and Natural Science Directories |
| 出版 | Longman, 1989 |
| 主題 | Reference / Bibliographies & IndexesScience / GeneralTechnology & Engineering / Reference |
| ISBN | 08977463769780897746373 |
| URL | http://books.google.com.hk/books?id=TbEQAQAAMAAJ&hl=&source=gbs_api |