Arkema
Patent: US7049454 B2, 2006 ;
Location in patent: Page/Page column 7-8 ;

Kumada
Journal of the Institute of Polytechnics, Osaka City University, Series C: Chemistry, 1951 , vol. <C> 2, p. 11,16

Chernyshev, E. A.; Komalenkova, N. G.; Bashkirova, S. A.; Popov, A. G.; Antipova, V. V.
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