Keggin, J. F.; Bragg, William Lawrence (1934-03-01). "The structure and formula of 12-phosphotungstic acid". Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character. 144 (851): 75–100. Bibcode:1934RSPSA.144...75K. doi:10.1098/rspa.1934.0035.
Baker, L. C. W.; Figgis, J. S. (1970). "A New Fundamental Type of Inorganic Complex: Hybrid between Heteropoly and Conventional Coordination Complexes. Possibilities for Geometrical Isomerisms in 11-, 12-, 17-, and 18-Heteropoly Derivatives". Journal of the American Chemical Society. 92 (12): 3794–3797. doi:10.1021/ja00715a047.
Bradley, S. M.; Kydd, R. A.; Yamdagni, R. (1990). "Detection of a new polymeric species formed through the hydrolysis of gallium(III) salt solutions". Journal of the Chemical Society, Dalton Transactions. 1990 (2): 413–417. doi:10.1039/DT9900000413.
Son, Jung-ho; Kwon, Young-uk (2003). "New Ionic Crystals of Oppositely Charged Cluster Ions and Their Characterization". Inorganic Chemistry. 42 (13): 4153–4159. doi:10.1021/ic0340377. PMID12817975.
Barton, Thomas J.; Bull, Lucy M.; Klemperer, Walter G.; Loy, Douglas A.; McEnaney, Brian; Misono, Makoto; Monson, Peter A.; Pez, Guido; Scherer, George W.; Vartuli, James C.; Yaghi, Omar M. (1999-10-01). "Tailored Porous Materials". Chemistry of Materials. 11 (10): 2633–2656. doi:10.1021/cm9805929. ISSN0897-4756.
harvard.edu
ui.adsabs.harvard.edu
Keggin, J. F.; Bragg, William Lawrence (1934-03-01). "The structure and formula of 12-phosphotungstic acid". Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character. 144 (851): 75–100. Bibcode:1934RSPSA.144...75K. doi:10.1098/rspa.1934.0035.
Barton, Thomas J.; Bull, Lucy M.; Klemperer, Walter G.; Loy, Douglas A.; McEnaney, Brian; Misono, Makoto; Monson, Peter A.; Pez, Guido; Scherer, George W.; Vartuli, James C.; Yaghi, Omar M. (1999-10-01). "Tailored Porous Materials". Chemistry of Materials. 11 (10): 2633–2656. doi:10.1021/cm9805929. ISSN0897-4756.
Barton, Thomas J.; Bull, Lucy M.; Klemperer, Walter G.; Loy, Douglas A.; McEnaney, Brian; Misono, Makoto; Monson, Peter A.; Pez, Guido; Scherer, George W.; Vartuli, James C.; Yaghi, Omar M. (1999-10-01). "Tailored Porous Materials". Chemistry of Materials. 11 (10): 2633–2656. doi:10.1021/cm9805929. ISSN0897-4756.