H. K. Wolf,P. W. Macfarlane,IFIP TC 4 Working conference on optimization of computer ECG processing.IFIP TC 4 Working conference on optimization of computer ECG processing (1979 : Canada):Optimization of computer ECG processing.Horth-Holland,1980.
K. B. Wolf,Centro Internacional de Fisicay Matematicas Orientadas.Centro Internacional de Fisicay Matematicas Orientadas:Nonlinear phenomena; proceedings of the CIFMO School and Workshop, Oaxtepec, Mexico, 1982.Springer,1983.