Energy and the environment : proceedings of the fifth national conference /

Eitemau Tebyg

• Energy and the environment : proceedings of the sixth national conference /
  Cyhoeddwyd: (1979)
• Energy and the environment : proceedings of the third national conference held September, 29, 30 and October 1, 1975, Hueston Woods State Park Lodge, Ohio /
  Cyhoeddwyd: (1975)
• Energy and the environment : proceedings of the fourth national conference, held October 3-7, 1976, Stouffer's Inn, Cincinnati, Ohio /
  Cyhoeddwyd: (1976)
• Mankind and energy : needs, resources, hopes : proceedings of a Study Week at the Pontifical Academy of Sciences, November 10-15, 1980 /
  Cyhoeddwyd: (1982)
• Encyclopedia of energy technology and the environment /
  Cyhoeddwyd: (1995)