Petroleos crudos de Venezuela y otros países.
Subtitle: Venezuelan and other world crude oils.  [Preparado por W.L. Nelson, Gustavo Thery Fombona, y Domingo Noriega Salazar]
Contributors: Venezuela. Ministerio de Minas e Hidrocarburos
Edition: 2 ed.
Published: 1959
Place of publication: Caracas
Language: spa
Number of pages: 400
Subjects: Petroleum; Petroleum industry and trade
Other titles: Venezuelan and other world crude oils