 | | 09 Energy and Energy Conservation |
 |  | | 09.06 Energy, Transport and Environment |
 |
 | | Environmental Limits to Motorisation (SKAT, 1993) |
 | | Environment, Energy, and Economy: Strategies for Sustainability (UNU, 1997, 381 pages) |
 | | Transport - Initial Environmental Assessment Series No. 8 (NORAD, 1994) |
|