Barkhan E.M. et al. Bread Hygiene: A Practical Guide for Doctors and Baking Workers In Russian (ask us if in doubt)./Barkhan E.M. i dr. Gigiena khleba. Prakticheskoe rukovodstvo dlya vrachey i rabotnikov khlebopekarnoy promyshlennosti Moscow Medgiz 1932. 112 p. SKUalbdb36a2365ef829d0.