Costanzo, G., Saladino, R., Crestini, C., Ciciriello, F., & Di Mauro, E. (2007). Formamide as the main building block in the origin of nucleic acids. BioMed Central|1.

Costanzo, Giovanna, Raffaele Saladino, Claudia Crestini, Fabiana Ciciriello, and Ernesto Di Mauro. Formamide As the Main Building Block in the Origin of Nucleic Acids. BioMed Central|1, 2007.

Costanzo, Giovanna, et al. Formamide As the Main Building Block in the Origin of Nucleic Acids. BioMed Central|1, 2007.