Shulman, R. G., Hilbers, C. W., Wong, Y. P., Wong, K. L., Lightfoot, D. R., Reid, B. R., & Kearns, D. R. (1973). Determination of Secondary and Tertiary Structural Features of Transfer RNA Molecules in Solution by Nuclear Magnetic Resonance.

Shulman, R. G., C. W. Hilbers, Yeng P. Wong, K. Lim Wong, Donald R. Lightfoot, Brian R. Reid, e David R. Kearns. Determination of Secondary and Tertiary Structural Features of Transfer RNA Molecules in Solution By Nuclear Magnetic Resonance. 1973.

Shulman, R. G., et al. Determination of Secondary and Tertiary Structural Features of Transfer RNA Molecules in Solution By Nuclear Magnetic Resonance. 1973.