https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763055164932&signature=1620bdac17d32df5d61339c85b6ffc9d&articleTitle=Essential+HTML+fast&articleAuthor=Duncan+Reed%2C+Peter+J.+Thomas&publicationTitle=Essential+HTML+fast&language=&publicationType=1&publishYear=1998&isn=9783540761990&publisher=Springer+London