Author	Title	Journal	ISSN	Publisher	Date	Volume	Number	Page	URL	URL(DOI)
Ohtsuki T.,Ono Y.,Kramer B.	28a-C-5 Quantum Hall effect in a double layered system in a strong magnetic field	年会講演予稿集		The Physical Society of Japan (JPS)	1991-09-12	46	2	132	http://ci.nii.ac.jp/naid/110002150851/en/