TY - JOUR A1 - Hartmann, Jürgen A1 - Klotzbücher, T. A1 - Reichling, M. T1 - Local variation of room temperature thermal conductivity in high quality polycrystalline diamond JF - Appl. Phys. Lett. Y1 - 1998 IS - 73 SP - 756 EP - 758 ER -