Alegre-Requena, Juan V., Marleen Häring, Isaac G. Sonsona, Alex Abramov, Eugenia Marqués-López, Raquel P. Herrera, y David Díaz Díaz. «Synthesis and supramolecular self-assembly of glutamic acid-based squaramides». Beilstein Journal of Organic Chemistry 14 (2018): 2065-2073. https://doi.org/10.3762/BJOC.14.180.