@book{157784,
	author = {Nieto Freyre, Oscar and Petrotech Peruana and INGEPET '99, International Seminar (3° : 1999 Oct. 26-29 : Lima, Perú) and Petrotech Peruana},
	title = {Evaluating of fracturing results using gelled oil in offshore northwest Peru},
	url = {https://biblioteca.iapg.org.ar/ArchivosAdjuntos/Ingepet/EXPL-5-ON-12.PDF}
}