Dr. Bennie ten Haken

PI Twente

	University of Twente
Address:	Low Temperature division
	P.O. Box. 217
	NL 7500 Enschede
	The Netherlands
Office:	+31 (0)53 489 - 2158
Fax:	+31 (0)53 489 - 1099
Email:	b.tenhaken@utwente.nl