Santander-García, M.; Corradi, R. L. M.; Balick, B.; Mampaso, A. «Menzel 3: Dissecting the ant». Astronomy and Astrophysics, 426, 2004. pp. 185-194.
Zhang, Y.; Liu, X.-W. «The Fe/Ni ratio in the Ant Nebula Mz 3». Planetary Nebulae in our Galaxy and Beyond, Proceedings of the International Astronomical Union, Symposium #234. Edited by Michael J. Barlow and Roberto H. Méndez. Cambridge: Cambridge University Press, 2006.,, 2006. pp.547-548.