[With contributions by Reuben Lee [and] Robert J. Hillen. with contributions by D. Gurel and O. Gurel. with contributions by M. van Beylen...[et. al.]. With contributions by Walter Bauersfeld and Herbert Kupfer. with contributions by G. Mengoli ... [et al.]. with contributions by L. Andreeva ... [et al.]. with contributions by E. Colomer ... [et al.]. with contributions by H. Parlar ... [et al.]. with contributions by O. Becker... [et al.]. with contributions by R. Anliker ... [et al.].