Pär Wellmar

Fracture toughness of paper - development of a test method

C. Fellers, Pär Wellmar, L. Delhage, 1997 .

Prediction of crack growth initiation in paper structures using a J-integral criterion

Ø. Gregersen, C. Fellers, Pär Wellmar, 2000 .

Crack-tip characterization in paper

C. Fellers, F. Nilsson, Pär Wellmar, 1997 .