Chapters by Dr. Ognian Boumbarov

• Book Chapter Face and ECG Based Multi-Modal Biometric Authentication
  by Ognian Boumbarov, Yuliyan Velchev, Krasimir Tonchev and Igor Paliy in the book "Advanced Biometric Technologies" edited by Girija Chetty and Jucheng Yang, ISBN 978-953-307-487-0, InTech, August 8, 2011