Melendez-Lopez, A. L., S. Ramos-Bernal, and A. Negron-Mendoza. 2016. “Stability of Aspartic Acid at 77°K under Gamma Radiation in a Comet Cores Simulation: Implications for Chemical Evolution Studies”. Journal of Nuclear Physics, Material Sciences, Radiation and Applications 4 (1):191-201. https://doi.org/10.15415/jnp.2016.41020.