| 其他書名 | Their Need and Cost : Papers Presented at a Conference Organised by the Energy Economics Group on 16 October 1991 |
| 出版 | Institute of Petroleum, 1991 |
| ISBN | 08529311159780852931110 |
| URL | http://books.google.com.hk/books?id=ps5QAAAAYAAJ&hl=&source=gbs_api |