Aromatic polypyromellitimides from aromatic polyamic acidsPresented at the 147th meeting of the American Chemical Society, Philadelphia, April 1964, and at the Bad Nauheim meeting of the Fachgruppe “Kunstoffe und Kautschuk,” Gesellschaft Deutscher Chemiker, April 1964. - Sroog, C. E.; Endrey, A. L.; Abramo, S. V.; Berr, C. E.; Edwards, W. M.; Olivier, K. L. (Wiley-Blackwell, 1965)
http://dx.doi.org/10.1002/pol.1965.100030410
Keywords: V; U