IVANTSOV, A. Et Al. 2009. Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 65037.

IVANTSOV, A., Sybiryakova, Y., Kozyryev, Y., Pyshnenko, V., & Pozhalova, Z., (2009). Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 65037.

IVANTSOV, ANATOLIY Et Al. "Minor Planet Observations [089 Nikolaev]," The Minor Planet Circulars , 65037, 2009

IVANTSOV, ANATOLIY Et Al. "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , pp.65037, 2009

IVANTSOV, A. Et Al. (2009) . "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , p.65037.

@article{article, author={ANATOLIY IVANTSOV Et Al. }, title={Minor Planet Observations [089 Nikolaev]}, journal={The Minor Planet Circulars}, year=2009, pages={65037} }