%0 journal article,GKSS report %@ 8756-758X %A Heerens, J.,Zerbst, U.,Schwalbe, K.-H. %D 1993 %J Fatigue and Fracture of Engineering Materials and Structures %N 11 %P 1213-1230 %T Strategy for characterizing fracture toughness in the ductile to brittle transition regime %U 11 %X