51 things we can do.

Autor: Park A, Buechner MM, Locke L, Walsh B, Adams K, Lemonick MD, Masters C, Gumbel P, Sayre C, Sharick C, Kher U, Smith A, Bjerklie D, Graff J, Kirchner S, Robinson S
Zdroj: TIME Magazine; 4/9/2007, Vol. 169 Issue 15, p69-82, 11p
Databáze: Complementary Index