https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763013286902&signature=119939c451af9c99bd853af1c25ba1a2&articleTitle=Transformer+Ageing%3A+Monitoring+and+Estimation+Techniques&articleAuthor=Saha&publicationTitle=Transformer+Ageing%3A+Monitoring+and+Estimation+Techniques&language=&publicationType=1&publishYear=2017&isn=9781119239970&publisher=John+Wiley+%26+Sons%2C+Inc