@misc{indiciaed632c196f69f, title = {Some implications for cyclic plastic and viscoplastic equations based on nonproportional loading experiments}, author = {Mcdowell, D. L. and Moosbrugger, J. and Doumi, M. and Jordan, E. H.}, year = {1988}, url = {https://ntrs.nasa.gov/citations/19880012131}, note = {Source identifier: 19880012131} }