@book{20597,
	author = {Nickolas S. Sapidis},
	title = {Designing fair curves and surfaces},
	publisher = {Society for Industrial and Applied Mathematics,},
	year = {1994},
	address = {Philadelphia },
	url = {https://www.libgen.is/book/index.php?md5=71899F71B7C68F8B7D764A7589283FE4}
}