TY  - SER
AU  - Barnea,J.
AU  - Grenon,M.
ED  - United Nations Institute for Training and Research, UNITAR
TI  - The future supply of nature-made petroleum and gas technical reports
U1  - 068.8 665.5 U581 0014789 
PY  - 1977///
CY  - New York
PB  - Pergamon Press ; R.F. Meyer
N1  - En portada: An International Conference Sponsored by The United Nations Institute for Training and Research (UNITAR) and The International Institute for Applied Systems Analysis (IIASA) as The First UNITAR Conference on Energy and the Future and The Second IIASA Conference on Energy Resources 5-16 july 1976 Schloss Laxenburg, Laxenburg Austria
ER  -