Kraka, Elfi, e Dieter Cremer. “Weaker Bonds With Shorter Bond Lengths”. Revista Processos Químicos 6, no. 11 (janeiro 2, 2012): 31-34. Acessado outubro 23, 2025. https://ojs.rpqsenai.org.br/index.php/rpq_n1/article/view/153.