@book{138,
	author = {Cooper, Rory A.},
	title = {Wheelchair Selection and Configuration },
	publisher = {Demos,},
	year = {1998.},
	address = {New York :},
	url = {https://books.google.com.pk/books/about/Wheelchair_Selection_and_Configuration.html?id=CvGK-3MK66wC&redir_esc=y}
}