Tomasz, J., Simoncsits, A., Kajtár, M., Krug, R. M., & Shatkin, A. J. (1978). Chemical synthesis of 5'-pyrophosphate and triphosphate derivatives of 3'-5' ApA, ApG, GpA and GpG. CD study of the effect of 5'-phosphate groups on the conformation of 3'-5' GpG.

Tomasz, J., A. Simoncsits, M. Kajtár, R M. Krug, e A J. Shatkin. Chemical Synthesis of 5'-pyrophosphate and Triphosphate Derivatives of 3'-5' ApA, ApG, GpA and GpG. CD Study of the Effect of 5'-phosphate Groups On the Conformation of 3'-5' GpG. 1978.

Tomasz, J., et al. Chemical Synthesis of 5'-pyrophosphate and Triphosphate Derivatives of 3'-5' ApA, ApG, GpA and GpG. CD Study of the Effect of 5'-phosphate Groups On the Conformation of 3'-5' GpG. 1978.