Publication Details (including relevant citation information): HA Hoff, AA Morrish, WA Carrington, JE Butler, and BB Rath, Intra- and Intergranular Fracture of Diamond thin Films, in Diamond, Boron Nitride, Silicon Carbide and Related Wide Bandgap Semiconductors, edited by JT glass, RF Messier, and N Fujimori (Mater. Res. Soc. Symp. Proc. 162, Pittsburgh, PA, 279-84 (1989).