https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763013332364&signature=bbc2e55465451017ed4c7ec905b95326&articleTitle=Space+Curves&articleAuthor=Franco+Ghione%2C+Christian+Peskine%2C+Edoardo+Sernesi&publicationTitle=Space+Curves&language=&publicationType=1&publishYear=1987&isn=9783540180203&publisher=Springer+Berlin+Heidelberg