@book{30451,
	author = {Bathe, Klaus-Jürgen. and Wilson, Edward L.},
	title = {Numerical methods in finite element analysis /},
	publisher = {Prentice-Hall,},
	year = {c1976.},
	series = {Prentice-Hall civil engineering and engineering mechanics series},
	address = {Englewood Cliffs, N.J. :}
}