References by Vasilev, I.
Vasilev, I.; Eftimov, M. 1975. The ants Formicidae (Hymenoptera) from the mountain of Lozen. [In Bulgarian.]. Godishnik na Sofiiskiya Universitet. Biologicheski Fakultet. Kniga 1. Zoologiya, Fiziologiya i Biohimiya na Zhivotnite 67:121-128.

Notes: Date signed for printing.

Vasilev, I. 1987 ("1984"). The ants (Formicidae, Hymenoptera) from the valley of the River Racene. [In Bulgarian.]. Godishnik na Sofiiskiya Universitet "Kliment Okhridski". Biologicheski Fakultet. Kniga 1. Zoologiya 78:74-79.

Notes: Date signed for printing.

Protonyms originally described by author

Found no protonyms described by this author.

Statistics
Published between 1975–1987
Taxon descriptions between
No. of references 2
No. of described taxa (including combinations)
No. of described taxa (valid, including combinations)
No. of described taxa (protonyms only)
Names belonging to author
Author name No. of references
Vasilev, I. 2