With contributions by G. Bredon [and others]. With contributions by R. B. Cox [and others] with contributions by D. Gurel and O. Gurel. with contributions by L.D. Barron ... [et al.]. with contributions by G. Mengoli ... [et al.]. with contributions by W. Burchard. with contributions by G.D. Bukatov ... [et al.]. with contributions by G.S. Burkhanov ... [et al.]. With contributions by eighteen specialist authors. with contributions by W. Adam ... [et al.].