.International Institute of Welding, Annual Assembly, 1979：Practical applications of fracture mechanics to the prevention of failure of welded structures：report, colloquium, Bratislava, 1979.s. n.],1979?.
International Institute of Welding, Annual Assembly, 1979：Practical applications of fracture mechanics to the prevention of failure of welded structures：report, colloquium, Bratislava, 1979
