Blaimer, M., Breuer, F., Mueller, M., Seiberlich, N. E., Ebel, D. E., Heidemann, R. E., Griswold, M. E., & Jakob, P. E.(2006).2D-GRAPPA-operator for faster 3D parallel MRI..Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine,56(6),1359-64.
