レイ・フリーマン
Bax, Ad, and Ray Freeman. "Investigation of complex networks of spin-spin coupling by two-dimensional NMR." Journal of Magnetic Resonance (1969) 44.3 : 542-561.
Geen, Helen, and Ray Freeman. "Band-selective radiofrequency pulses." Journal of Magnetic Resonance (1969) 93.1 : 93-141.
Freeman, Ray, and H. D. W. Hill. "Phase and intensity anomalies in Fourier transform NMR." Journal of Magnetic Resonance (1969) 4.