J. Girault
Caractères optiques des minéraux transparents- Karmannai︠a︡ knizhka dli︠a︡ chadoli︠u︡bivykh matereĭ, soderzhashchai︠a︡ poleznye sovi︠e︡ty i nastavlenīi︠a︡, nuzhni︠e︡ĭshīi︠a︡ k ispolnenīi︠u︡ pri vospitanīi ikh di︠e︡teĭ, kak to: o vybiranīi kormilit︠s︡; o prismotri︠e︡ i khozhdenīi za novorozhdennymi mla