Chapters by Dr. Drago Torkar

• Book Chapter Radon as an Earthquake Precursor – Methods for Detecting Anomalies
  by Asta Gregorič, Boris Zmazek, Sašo Džeroski, Drago Torkar and Janja Vaupotič in the book "Earthquake Research and Analysis - Statistical Studies, Observations and Planning" edited by Sebastiano D'Amico, ISBN 978-953-51-0134-5, InTech, March 3, 2012