L. H. Larsson Introduction to the Advanced Seminar ASF114 on Elastic-Plastic Fracture Nechanics Ad Bakker The J-concept: Theoretical Basis and its Use in EPFM 13 Ad Bakker Case Studies on the Determination of Applied J-values 55 S. J. Garwood The Measurement of Critical Values of Crack Tip Opening Displacement (CTOD) and J on Parent Steels and "leldments ~or Use in Fracture Assessments 85 J. G. Blauel Ductile Fracture Material Characterization by J-R Curves 117 J. Bernard and G. Verzeletti Experimental Determination of Fracture Nechanics Parameters of Irradiated Materials 145 D. 1-1unz Surface Cracks 165 ~iJ. Dahl and D. Dormagen ~1icromechanisms of Crack Initiation and Crack Propagation 203 L. G. Lamain Numerical Analysis in EPFM 227 F. Mudry 11ethodology and Applications of Local Criteria for the Prediction of Ductile Tearing 263 D. Fran~ois Fracture and Damage 285 F. Hudry Cleavage Fracture and Transition: Application to the Warm Prestress Effect 303 A. R. Dowling, R. P. Harrison, K. Loosemore, R. P *. Ainsworth and 1. Milne I'/ORKSHOP 1 I'lorked Examples Using the CEGB Procedure for the Assessment of the Integrity of Structures Containing Defects 327 G. Rousselier WORKSHOP 2 The EPRI Method for Ductile Fracture Analysis 373 C. E. Turner WORKSHOP 3 The COD Method for Assessing the Significance of Defects 397 C. E. Turner WORKSHOP 4 A J-based Fracture Safe Estimation Procedure, EnJ, with Applications Including Estimation of the Maximum Load for Ductile Tearing 411 F. Nilsson and B.