7th World Petroleum Congress : book of synopses = 7ème Congres mondial du pétrole : livre de résumés = 7⁰ Congreso Mundial del Petróleo : libro de sinopsis, Ciudad de Mexico, del 2 al 8 de Abril 1967.
- [Mexico City] : Elsevier Publishing, 1967.
- 246 p. ; 27 cm.
English, French, and Spanish.
86165805
Petroleum--Congresses.
TN863 / .W6 1967b
547.83 / SEP
English, French, and Spanish.
86165805
Petroleum--Congresses.
TN863 / .W6 1967b
547.83 / SEP