Grozeva, S., Kuznetsova, V. G., Simov, N., Langourov, M., & Dalakchieva, S. (2013). Sex chromosome pre-reduction in male meiosis of Lethocerus patruelis (Stål, 1854) (Heteroptera, Belostomatidae) with some notes on the distribution of the species. Pensoft Publishers.

Grozeva, Snejana, Valentina G. Kuznetsova, Nikolay Simov, Mario Langourov, a Svetla Dalakchieva. Sex Chromosome Pre-reduction in Male Meiosis of Lethocerus Patruelis (Stål, 1854) (Heteroptera, Belostomatidae) With Some Notes On the Distribution of the Species. Pensoft Publishers, 2013.

Grozeva, Snejana, et al. Sex Chromosome Pre-reduction in Male Meiosis of Lethocerus Patruelis (Stål, 1854) (Heteroptera, Belostomatidae) With Some Notes On the Distribution of the Species. Pensoft Publishers, 2013.