@book{55124,
	author = {Hartmann, F. and Katz, Casimir,},
	title = {Structural analysis with finite elements /},
	publisher = {Springer,},
	year = {2013.},
	address = {New Delhi :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1215/2006937296-t.html}
}