@misc{indiciae9fa65ee67f2c, title = {Copolyimides With Flexibilizing Groups}, author = {St. Clair, Terry L. and Burks, Harold D. and Progar, Donald J. and Proctor, K. Mason}, year = {1987}, url = {https://ntrs.nasa.gov/citations/19870000278}, note = {Source identifier: 19870000278} }