Comet P/2011 U1 (Panstarrs)P. Bacci, G. V. Williams, A. Schultz et al.|Central Bureau Electronic Telegrams|2011Cited by 1
Comet P/2017 S9 (Panstarrs)A. F. Tubbiolo, G. V. Williams, R. A. Mastaler et al.|Central Bureau Electronic Telegrams|2017Cited by 0
Comet C/2017 u5 (panstarrs)A. F. Tubbiolo, G. V. Williams, J. V. Scotti et al.|Central Bureau Electronic Telegrams|2017Cited by 0
Comet P/2019 A4 (Panstarrs)R. Weryk, G. V. Williams, R. J. Wainscoat et al.|Central Bureau Electronic Telegrams|2019Cited by 0
Comet C/2019 a9 (panstarrs)A. Novichonok, S. M. Larson, M. Micheli et al.|Minor Planet Electronic Circulars|2019Cited by 0