IVANTSOV, A. Et Al. 2002. Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 44683.

IVANTSOV, A., Pyshnenko, V., & Pozhalova, Z., (2002). Minor Planet Observations [089 Nikolaev]. The Minor Planet Circulars , 44683.

IVANTSOV, ANATOLIY, V.N. Pyshnenko, And Z.A. Pozhalova. "Minor Planet Observations [089 Nikolaev]," The Minor Planet Circulars , 44683, 2002

IVANTSOV, ANATOLIY Et Al. "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , pp.44683, 2002

IVANTSOV, A. Pyshnenko, V. And Pozhalova, Z. (2002) . "Minor Planet Observations [089 Nikolaev]." The Minor Planet Circulars , p.44683.

@article{article, author={ANATOLIY IVANTSOV Et Al. }, title={Minor Planet Observations [089 Nikolaev]}, journal={The Minor Planet Circulars}, year=2002, pages={44683} }