| 其他書名 | Includes Both Semi-closed Circuit and Fully Closed Circuit Systems |
| 出版 | Best Publishing Company, 1998 |
| 主題 | Sports & Recreation / Water Sports / Swimming & DivingSports & Recreation / Water Sports / Scuba & Snorkeling |
| ISBN | 09413326599780941332651 |
| URL | http://books.google.com.hk/books?id=u14QAQAAIAAJ&hl=&source=gbs_api |