Comet C/2015 v2 (johnson)С. В. Назаров, G. V. Williams, Guochao Sun et al.|Minor Planet Electronic Circulars|2015Cited by 1
COMET C/2017 E3 (PANSTARRS)T. Linder, G. V. Williams, J. B. de Vanssay et al.|Central Bureau Electronic Telegrams|2017Cited by 0
Comet C/2014 g1 (panstarrs)R. S. McMillan, G. V. Williams, R. J. Wainscoat et al.|Central Bureau Electronic Telegrams|2012Cited by 0
Comet C/2017 K5 (Panstarrs)J. V. Scotti, G. V. Williams, R. J. Wainscoat et al.|Central Bureau Electronic Telegrams|2017Cited by 0
COMET C/2017 D5 (PANSTARRS)T. H. Bressi, G. V. Williams, A. C. Gilmore et al.|Minor Planet Electronic Circulars|2017Cited by 0