Leach, M. (2014). «The Internet database of periodic tables» [en línia]. A: The
chemogenesis web book. Whitefield: Meta-Synthesis. http://www.meta-synt·
hesis.com/webbook/35_pt/pt_database.php...
Loss, R. D.; Corish, J. (2012). «Names and symbols of the elements with atomic
numbers 114 and 116 (IUPAC recommendations 2012)». Pure and...
Mahaffy, P. (2004). «The future shape of chemistry education». Chemistry Education Research and Practice, 5(3): 229-245.
Nelson, P. G. (2006). «Definition of element». Chemistry Education Research and Practice, 7(4): 288-289.
Scerri, E. (2012). «Trouble in the periodic table». Education in ChEmiStry, 49(1):
13-17.