Lyu, D.-P. 2006. Review of the genus Myrmica in Korea (Hymenptera: Formicidae). Journal of Asia-Pacific Entomology 9:189-202.
Lyu, D.-P.; Cho, S. 2004. Review of the genus Stenamma (Hymenoptera: Formicidae) in Korea. Journal of Asia-Pacific Entomology 7:263-267. PDF
Maavara, V. 1953. Ants of Estonian SSR. [In Estonian.]. Abiks Loodusevaatlejale 10:1-44.

Notes: Date submitted for printing ("trükkimisele antud").

Maavara, V. 1983. Variability and differentiation in some closely related Formica species (Hymenoptera, Formicidae). [In Russian.]. Pp. 54-78 in: Paaver, K.; Sutt, T. (eds.) 1983. Problems of contemporary Darwinism. [In Russian.]. Tartu: Academy of Sciences of the Estonian SSR, 190 pp.

Notes: Date signed for printing ("podpisano k pechati").

MacArthur, R. H.; Wilson, E. O. 1967. The theory of island biogeography. Princeton: Princeton University Press, xi + 203 pp.
MacDonagh, E. J. 1937. Sobre hormigas podadoras del extremo sur de Buenos Aires. Notas del Museo de La Plata (Zoología) 2:45-52. PDF