Andriotis, C. P., Papakonstantinou, K. G., and Koumousis, V. K. Nonlinear Programming Hybrid Beam-Column Element Formulation for Large-Displacement Elastic and Inelastic Analysis. Retrieved from https://par.nsf.gov/biblio/10074250. Journal of engineering mechanics 144.10 Web. doi:10.1061/(ASCE)EM.1943-7889.0001483.

Andriotis, C. P., Papakonstantinou, K. G., & Koumousis, V. K. Nonlinear Programming Hybrid Beam-Column Element Formulation for Large-Displacement Elastic and Inelastic Analysis. Journal of engineering mechanics, 144 (10). Retrieved from https://par.nsf.gov/biblio/10074250. https://doi.org/10.1061/(ASCE)EM.1943-7889.0001483

Andriotis, C. P., Papakonstantinou, K. G., and Koumousis, V. K. "Nonlinear Programming Hybrid Beam-Column Element Formulation for Large-Displacement Elastic and Inelastic Analysis". Journal of engineering mechanics 144 (10). Country unknown/Code not available. https://doi.org/10.1061/(ASCE)EM.1943-7889.0001483. https://par.nsf.gov/biblio/10074250.

@article{osti_10074250,
place = {Country unknown/Code not available}, title = {Nonlinear Programming Hybrid Beam-Column Element Formulation for Large-Displacement Elastic and Inelastic Analysis}, url = {https://par.nsf.gov/biblio/10074250}, DOI = {10.1061/(ASCE)EM.1943-7889.0001483}, abstractNote = {}, journal = {Journal of engineering mechanics}, volume = {144}, number = {10}, author = {Andriotis, C. P. and Papakonstantinou, K. G. and Koumousis, V. K.}, }