P. R. Hammond, 1,4-Benzoquinone Tetracarboxylic Acid Dianhydride, C10O8: A Strong Acceptor, Science, 1963, vol. 142(3591), p. 502. DOI10.1126/science.142.3591.502.
iop.org
B. I. Zapadinskii, B. I. Liogon'kii and A. A. Berlin, Syntheses of Tetracarboxylic Acids, Russian Chemical Reviews, 1973, vol. 42(11), p. 939. version pdf en ligne.