Gadzira shanduro yakaoma zvikuru yemutsara uyu Russian demographers E.M. Andreev, L.E. Darski uye T. L. Kharkova (ADK ) vakanyora chidzidzo chevanhu veSoviet kubva muna 1922 - 1991 icho chakaburitswa neRussian Academy of Science muna 1993.
Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi "Vanyori veRussia vanorondedzera vanhu E.M. Andreev, L.E. Darski naT. L. Kharkova (ADK ) vakanyora chidzidzo chavagari veSoviet kubva muna 1922 - 1991 icho chakabudiswa neRussian Academy of Science muna 1993 vakafungidzira kurasikirwa kwevagari veSoviet kwe 26,6 miriyoni muhondo. "