IVANTSOV, A. Et Al. 2006. Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 56149.

IVANTSOV, A., Gudkova, L., Pyshnenko, V., Procyuk, S., & Pozhalova, Z., (2006). Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 56149.

IVANTSOV, ANATOLIY Et Al. "Minor Planet Observations [089 Nikolaev]," The Minor Planet Circulars , 56149, 2006

IVANTSOV, ANATOLIY Et Al. "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , pp.56149, 2006

IVANTSOV, A. Et Al. (2006) . "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , p.56149.

@article{article, author={ANATOLIY IVANTSOV Et Al. }, title={Minor Planet Observations [089 Nikolaev]}, journal={The Minor Planet Circulars}, year=2006, pages={56149} }