@book{5426,
	author = {Ilanko, Sinniah and Monterrubio, Luis E.},
	title = {The Rayleigh-Ritz method for structural analysis /},
	publisher = {ISTE,},
	year = {c 2014.},
	address = {London :},
	url = {https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/9781118984444?download=true}
}