Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
GRAY J. E.,Characters of several new species of freshwater tortoises (Emys) from India and China,Proceedings of the Zoological Society of London,,,1834,1834,,53-54,https://cir.nii.ac.jp/crid/1570572700606376704,