Tác giả: Erkki Niemi

Erkki Niemi is Emeritus Professor of Steel Structures in Lappeenranta University of Technology, Finland. Wolfgang Fricke is Professor (retired) of the Institute for Ship Structural Design and Analysis at Hamburg University of Technology, Germany. Stephen J. Maddox is a Consultant with The Welding Institute (TWI) in the UK and is also Visiting Professor in the Department of Mechanical Engineering at the University of Strathclyde, UK.