@book{4341, author = {Straffon Arteaga, AgustĂ­n}, title = {La tecnologĂ­a en el desarrollo de la industria petrolera. }, publisher = {OLADE,}, year = {1979}, address = {Quito:}, note = {Impreso y digital}, url = {http://biblioteca.olade.org/opac-tmpl/Documentos/hm000156.pdf} }