@Work{OL12501782W, title: {Neue Grundlagen der technischen Hydrodynamik}, author: {L.W Weil}, first_publish_year: {1920} } @Work{OL12411200W, title: {Technische Hydrodynamik}, author: {Franz Prášil}, first_publish_year: {1913} } @Work{OL13127842W, title: {Air-screws: An Introduction to the Aerofoil Theory of Screw Propulsion}, author: {M. A. S. Riach}, first_publish_year: {1916} } @Author{OL6020496A, name: {M. A. S. Riach}, }