A Practical Guide to the Eustachian TubeJohn L. Dornhoffer, Rudolf Leuwer, Konrad Schwager, Sren Wenzel₹4,624
Additive and Subtractive Manufacturing of CompositesMunish Kumar Gupta Sanjay Mavinkere Rangappa, Qinghua Song Suchart Siengchin₹2,751