Sravnitelʹno-istoricheskoe izuchenie ︠i︡azykov raznykh semeĭ : sovremennoe sosto︠i︡anie i problemy - Gadzhieva, Ninelʹ Zeĭnalovna; Zhuravlev, V. K. (Vladimir Konstantinovich); Neroznak, V. P. (Vladimir Petrovich) (Izd-vo "Nauka,", 1981)