$B!&(BPhysics	Phys. Rev. Lett	$B!&(BUniv. of Tokyo	$BDc29%;%s%?!<(B
	Phys. Rev. B		Chemical database
	Physica C		Activemail
	Nature		UTCRIS
	Solid State Commun
	J. Phys. Soc. Jpn.
	J. Appl. Phys.	$B!&(BSearch Engine	Google
	Appl. Phys. Lett.		Infoseek
	J. Alloys and Compnds.
	Chemistry of Materials	$B!&(BNews	Asahi.com
	Superconductor Science and Technology		Yomiuri
	APEX		Nikkei
	EPL
	JETP Lett.
	$BEE;R%8%c!<%J%k(B
	Science Direct
	Web of Science
	$BF|K\J*M}3X2q(B
	APS	$B!&(BOthers	JR$BElF|K\(B
	Cond-mat
	$BD6EEF3(BWeb21
$B!&(BComputer
	PC Watch
	Apple Computer