Baha Abulnaga. Pumping Oilsand Froth. 21st International Pump Users Symposium, Baltimore, Maryland. Published by Texas A&M University, Texas, USA, 2004 [Consulta: 28 octubre 2012].Arxivat 2014-08-11 a Wayback Machine.
web.archive.org
Baha Abulnaga. Pumping Oilsand Froth. 21st International Pump Users Symposium, Baltimore, Maryland. Published by Texas A&M University, Texas, USA, 2004 [Consulta: 28 octubre 2012].Arxivat 2014-08-11 a Wayback Machine.