Comet C/2011 u2 (bressi) Bressi, T. H. ; McMillan, R. S. ; Andreev, M. ; Sergeev, A. ; Parakhin, N. ; Kozlov, V. ; Karpov, N. ; Hills, K. ; Cirelli, D. ; Guido, E. ; Howes, N. ; Sostero, G. ; Ligustri, R. ; Williams, G. V. Abstract Publication: Minor Planet Electronic Circulars Pub Date: October 2011 Bibcode: 2011MPEC....U...85B