Anish Bhayani; Jordan Knapp; Parker Wells. Turbomachinery: The Revolution of Modern Flight [PDF]. Cosmos, 2. august 2007, [cit. 2011-12-18]. Dostupné online. Archivované 2012-03-06 z originálu.
Anish Bhayani; Jordan Knapp; Parker Wells. Turbomachinery: The Revolution of Modern Flight [PDF]. Cosmos, 2. august 2007, [cit. 2011-12-18]. Dostupné online. Archivované 2012-03-06 z originálu.