@misc{indiciae8f660b297b93, title = {Finite-element grid improvement by minimization of stiffness matrix trace}, author = {Kittur, Madan G. and Huston, Ronald L. and Oswald, Fred B.}, year = {1989}, url = {https://ntrs.nasa.gov/citations/19890054968}, note = {Source identifier: 19890054968} }