1. Large deflection analysis of frame structures by fictitious forces;Kohnke;Int. J. Num. Meth. Engng,1978
2. The Finite Element Method in Engineering Science;Zienkiewicz,1972
3. Finite Elements of Nonlinear Continua;Oden,1972
4. A method of fictitious forces geometrically nonlinear analysis of structures;de Arantes e Oliveira,1974
5. Matrix Methods of Structural Analysis;Livesley,1975