Summary of Panel Discussion II: Theoretical Models and Observational   Constraints in High-Mass Star Formation
  This paper presents a summary of a panel discussion to more directly confront theoretical models and observational constraints in massive star formation research. The panel was moderated by Hans Zinnecker, and panel members included Ian Bonnell, Chris McKee, Francesco Palla, Malcolm Walmsley, and Harold Yorke. Additional ample discussion with the audience is recorded. 
Hans Zinnecker and Henrik Beuther