Author	Title	Journal	ISSN	Publisher	Date	Volume	Number	Page	URL	URL(DOI)
Hiramatsu Takashi,Suzuki Jippei,Kawakami Hiroshi	236 Study on laser cutting process without assist gas	Pre-Prints of the National Meeting of JWS		Japan Welding Society	2006-03-23		78	114-115	http://ci.nii.ac.jp/naid/110005857305/en/