Lee, S. H., Weinmann, M., Gerstel, P., Rixecker, G., Choi, S. C., & Aldinger, F. (2008). Novel precursor-derived Al-C-N-(O)-based ceramic additive for the low-temperature pressureless sintering of silicon nitride. Materials Research, 23(6), 1713-1721. doi:10.1557/JMR.2008.0225.