@misc{indiciae980d10f4f3a1, title = {A proposed generalized constitutive equation for nonlinear para-isotropic materials}, author = {Hu, K. K. and Swartz, S. E. and Huang, C. J.}, year = {1980}, url = {https://ntrs.nasa.gov/citations/19800024261}, note = {Source identifier: 19800024261} }