@misc{indiciae06c6b6155db9, title = {Diphenylmethane-containing dianhydride and polyimides prepared therefrom}, author = {St.clair, Anne K. and Boston, Harold G. and Pratt, J. Richard}, year = {1993}, url = {https://ntrs.nasa.gov/citations/19930019896}, note = {Source identifier: 19930019896} }