https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763029991279&signature=74ac34fcc5d8483039c0b47930098289&articleTitle=Essential+Visual+J%2B%2B+6.0+fast&articleAuthor=John+Cowell&publicationTitle=Essential+Visual+J%2B%2B+6.0+fast&language=&publicationType=1&publishYear=1999&isn=9781852330132&publisher=Springer+London