1. On-line control of processing atmospheres for proper sintering of oxidation-sensitive PM steels
2. Hryha E., Karamchedu S. and Nyborg L.: Proc. Euro PM2011, Vol. 3, 105–110; 2011, Shrewsbury, EPMA.
3. Karamchedu S., Hryha E. and Nyborg L.: in‘Progress in powder metallurgy – 2011’, Vol. 11, 90–96; 2011, Princeton, NJ, MPIF.
4. Hryha E. and Nyborg L.: Proc. PM2010 World Congress, Vol. 2, 268–275; 2010, Shrewsbury, EPMA.