K voprosu o m︠i︡etkosti ruzheĭnoĭ str︠i︡elʹby v voĭskakh : mediko-statisticheskoe izsl︠i︡edovanīe o vlī︠i︡anīi ostroty zr︠i︡enī︠i︡a, sily ruk, fizicheskago utomlenī︠i︡a i prochikh uslovīĭ so storony organizma na m︠i︡etkostʹ str︠i︡elʹby - Kalachnikov, Petr (Russian history and culture, 1903)