Norbert Wohlfahrt...[et al. Norbert Wohlfahrt...[et al.] Herbert Puchta ...[et al. Robert Franek...[et al. Robert Woods ... [et al. Herbert A. Raffaele...[et al. Albert M. Craig,...[et al. Herbert H. Gross,...[et al. Hubert Krains...[et al. Robert Blanchon,...[et al.