High Quality Content by WIKIPEDIA articles! Umber is a natural brown clay pigment which contains iron and manganese oxides. The color becomes more intense when calcined (heated), and the resulting pigment is called burnt umber. Its name derives from the La

В наличии:
	Sprinter - 780 руб.	Перейти		Лучшая цена
	Books.Ru - 873 руб.	Перейти

Рейтинг книги: 5 из 5, 4 голос(-ов).