Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) G. Bhattacharjee and Takeshi Yanagisawa,Realisation of generalised active transformer,Electronics Letters,0013-5194,Institution of Engineering and Technology (IET),1976-06-10,12,,300-301,https://cir.nii.ac.jp/crid/1873961342620226048,https://doi.org/10.1049/el:19760231