“Novel Aromatic Polyimides Derived from Benzofuro[2,3-b]benzofuran-2,3,8,9-Tetracarboxylic Dianhydride (BBTDA)”

Banihashemi, A., Abdolmaleki, A., “Novel Aromatic Polyimides Derived from Benzofuro[2,3-b]benzofuran-2,3,8,9-Tetracarboxylic Dianhydride (BBTDA)” European Polymer Journal, 2004, 40, 1629–1635.