Twieg DB (). „The k-trajectory formulation of the NMR imaging process with applications in analysis and synthesis of imaging methods”. Medical Physics. 10 (5): 610–21. Bibcode:1983MedPh..10..610T. doi:10.1118/1.595331. PMID6646065.
Page 26 in: Weishaupt, Dominik; Koechli, Victor D.; Marincek, Borut (). How does MRI work?: An Introduction to the Physics and Function of Magnetic Resonance Imaging. Springer Science & Business Media. ISBN978-3-662-07805-1.
Twieg DB (). „The k-trajectory formulation of the NMR imaging process with applications in analysis and synthesis of imaging methods”. Medical Physics. 10 (5): 610–21. Bibcode:1983MedPh..10..610T. doi:10.1118/1.595331. PMID6646065.
Twieg DB (). „The k-trajectory formulation of the NMR imaging process with applications in analysis and synthesis of imaging methods”. Medical Physics. 10 (5): 610–21. Bibcode:1983MedPh..10..610T. doi:10.1118/1.595331. PMID6646065.