| | North Dakota State University |
| | 1301 12th Avenue North - Fargo, ND 58105 USA |
| http://www.ndsu.edu/ | | micky.klocow@ndsu.edu |
| UE - standardy ekologiczne Unii Europejskiej |
| 1997 | | ENERGY AND ENVIRONMENTAL PROFILE FOR SELECTED EAST | abs | | 36 | | str | 0,6 | mb |
| | CENTRAL EUROPEAN NATIONS |