@book{5348,
	author = {Shen, Hui-Shen},
	title = {A two-step perturbation method in nonlinear analysis of beams, plates, and shells /},
	publisher = {John Wiley & Sons,},
	year = {c 2013.},
	address = {Singapore :},
	url = {https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/9781118649893?download=true}
}