IVANTSOV, A. Et Al. 2005. Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 53630.

IVANTSOV, A., Gudkova, L., & Pozhalova, Z., (2005). Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 53630.

IVANTSOV, ANATOLIY, L.A. Gudkova, And Z.A. Pozhalova. "Minor Planet Observations [089 Nikolaev]," The Minor Planet Circulars , 53630, 2005

IVANTSOV, ANATOLIY Et Al. "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , pp.53630, 2005

IVANTSOV, A. Gudkova, L. And Pozhalova, Z. (2005) . "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , p.53630.

@article{article, author={ANATOLIY IVANTSOV Et Al. }, title={Minor Planet Observations [089 Nikolaev]}, journal={The Minor Planet Circulars}, year=2005, pages={53630} }