00521naa#a2200181#i#450# EN\\bibl\21747 20240420120504.6 2077-7566 20150625b2015####ek#y0engy0150####ca RU FROM UNITY TO THE VARIETY OF FORMS IN NATURE Journal article Ekaterinburg TIRAZH Publishing House 2015 9 с. Journal article local Lomiashvili Larisa Mihaylovna Sedelnikov V. Postolaki A. dental-press.ru