@article{paperid:1033101,
author = {Rezaiee Pajand, Mohaamad and Yaghoobi, Majid},
title = {Formulating an effective generalized four-sided element},
journal = {European Journal of Mechanics A-Solids},
year = {2012},
volume = {36},
month = {December},
issn = {0997-7538},
pages = {141--155},
			numpages = {14},
keywords = {Finite element
Strain states
Optimization conditions
Quadrilateral element
Plane problem},
}