APA

Müller-Link D., Rohlfing G. & Spelter H. (2009). Twin-screw pumps help improving oil recovery in mature fields and transfer heavy crude oil over long distances. : .

Chicago

Müller-Link D, Rohlfing G and Spelter H. 2009. Twin-screw pumps help improving oil recovery in mature fields and transfer heavy crude oil over long distances. : .

Harvard

Müller-Link D., Rohlfing G. and Spelter H. (2009). Twin-screw pumps help improving oil recovery in mature fields and transfer heavy crude oil over long distances. : .

MLA

Müller-Link D, Rohlfing G and Spelter H. Twin-screw pumps help improving oil recovery in mature fields and transfer heavy crude oil over long distances. : . 2009.