author Slegfried H. Eberte...[et al.] author Werner Behrendt...[et al.] author John H. Forsberg...[et al.] author Lieselotte Berg...[et al.] authors Heinz Becker...[et al.] author Gerhard Kirschstein...[et al.] author Marie-Louise Gerwien...[et al.] authors William P. griffith...[et al.]