Pinigin, G. Et Al. 2012. Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 81615.

Pinigin, G., Shulga, O., IVANTSOV, A., Sybiryakova, Y., Kozyryev, Y., Kulichenko, N., ... Vovk, V.(2012). Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 81615.

Pinigin, G.I. Et Al. "Minor Planet Observations [089 Nikolaev]," The Minor Planet Circulars , 81615, 2012

Pinigin, G.I. Et Al. "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , pp.81615, 2012

Pinigin, G. Et Al. (2012) . "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , p.81615.

@article{article, author={G.I. Pinigin Et Al. }, title={Minor Planet Observations [089 Nikolaev]}, journal={The Minor Planet Circulars}, year=2012, pages={81615} }