Author	Title	Journal	ISSN	Publisher	Date	Volume	Number	Page	URL	URL(DOI)
Endo Akira	Fundamental Units of Certain Cubic Number Fields with negative Discriminants	Kumamoto journal of science. Mathematics	03856763	Kumamoto University	1978-00-00	13	1	24-36	http://ci.nii.ac.jp/naid/110001051971/en/