@book{157871,
	author = {Diaz Correa, Pedro and Petróleos de Venezuela, PDVSA and INGEPET '99, International Seminar (3° : 1999 Oct. 26-29 : Lima, Perú) and Petróleos de Venezuela, PDVSA},
	title = {PDVSA exploration and production 'apertura' business portfolio},
	url = {https://biblioteca.iapg.org.ar/ArchivosAdjuntos/Ingepet/EXPL-9-PD-08.PDF}
}