Valentin Blomer, [and 5 others]. Stefan Rommer, [and 5 others]. Odwyn Jones, [and 5 others]. He-Xiu Xu, [and 5 others]. Lyle P. Schertz and others. Francesco de Bello, [and 5 others]. Shady S. Refaat, [and 5 others]. by C. T. Lloyd and others.