Die Wissenschaftlichen Grundlagen des GelenkersatzesS. A. V. Swanson, M. A. R. Freeman, H. Krahl, H. Roesler · First published 2012Open the Tome
Late Reconstructions of Injured Ligaments of the KneeK.P. Schulitz, H. Krahl, W.H. Stein, M.E. Blazina, D.H. O'Donoghue, S.L. James, J.C. Kennedy, A. Trillat · First published 1978 · Latest edition 2012Open the Tome
