Minding the "milkstone" - When works of art are pollen and rice, and even milk, the Hirshhorn Museum gives them extra-special care (German artist Wolfgang Laib)
M. Kernan, Minding the "milkstone" - When works of art are pollen and rice, and even milk, the Hirshhorn Museum gives them extra-special care (German artist Wolfgang Laib), SMITHSONIAN, 32(1), 2001, pp. 26