Notes on winter stomach contents of the stone marten (Martes foina) in the Balkan Montains, central Bulgaria. 2014. ZooNotes 56:1-6. (Hisano, M., Raichev, E.G., Peeva, S., Georgiev, D., Tsunoda, H., Masuda, R. and Kaneko, Y., peer-reviewed paper)
Winter diet of the stone marten (Martes foina) in centaral Bulgaria. 2013. Mammal Study 38: 293-298. (Hisano, M., Raichev, E.G., Tsunoda, H., Masuda, R., and Kaneko, Y. peer-reviewed paper)
ブルガリア中央部におけるアカギツネの食性 (Feeding habits of red fox in central Bulgaria). 角田裕志・E.G. Raichev・増田隆一・金子弥生 (Tsunoda, H., Raichev, E.G., Masuda, R., Kaneko, Y) 日本哺乳類学会2013年度大会.岡山理科大学.ポスター発表.
Sexual differences on winter diet of the stone marten (Martes foina) in central Bulgaria. (Hisano, M., Raichev, E.G., Tsunoda, H., Masuda, R., Kaneko, Y., 11th International Mammalogical Congress, Queen’s University, Belfast, UK. 11-16th August 2013. Poster presentation 2013)
Molecular phylogeography and haplogrouping of the brown bear (Ursus arctos), based on analyses of the complete mitochondrial DNA sequences. Molecular Biology and Evolution. doi: 10.1093/molbev/mst077 (Hirata, D., Mano, T., Abramov, A.V., Baryshnikov, G. F., Kosintsev, P., Vorobiev, A., Raichev, E., Tsunoda, H., Kaneko, Y., Murata, K., Fukui, D., Masuda, R. Peer-reviewed paper, 2013.) Current IF=9.5
The reliance of the golden jackal (Canis aureus) on anthropogenic foods in winter, in central Bulgaria. Mammal Study 38:19-27 (Raichev, E., Tsunoda, H., Newman, C., Masuda, R., Georgiev, D. M. and Kaneko, Y. peer-reviewed paper, 2013.)
Comparative molecular phylogeny and evolution between sex chromosome DNA sequences in the family Canidae (Carnivora, Mammalia). Zoological Science 29: 151-161. (Tsubouchi, A., Fukui, D., Ueda, M., Okuyama, E., Toyoshima, S., Takami, K., Tsujimoto, T., Uraguchi, U., Raichev, E., Kaneko, Y., Tsunoda, H. and Masuda, R. peer-reviewed paper, 2012).
Preliminary study on microsatellite and mitochondrial DNA variation of the stone marten Martes foina in Bulgaria. Mammal Study 37: 353-358. (Nagai, T. Raichev, E. G., Tsunoda, H., Kaneko, Y., and Masuda., R. peer-reviewed paper, 2012)