@book {Zenker_2003, title = {Electronenstrahl-Randschichtbehandlung: Innovative Technologien f{\"u}r H{\"o}chste insustrielle Anspr{\"u}che}, year = {2003}, publisher = {pro{\textendash}beam AG \& Co. KGaA}, organization = {pro{\textendash}beam AG \& Co. KGaA}, address = {Germany}, author = {Rolf Zenkler} }