@article{TUW-103453, author = {van As, Harmen R.}, title = {Schl{\"u}sseltechnologien k{\"u}nftiger Kommunikationsnetze}, journal = {E{\&}I Elektrotechnik und Informationstechnik}, year = {1997}, volume = {Vol. 114}, number = {No. 9}, pages = {458--463} }