Autor:	Spencer, Leo, Sharbutt, James W., Blackwell, Helen R., Gill, Joseph T., Slom, Samuel Morgan, Cowan, Richard C., Rouault, E., Tilliard, Bob, Murphy, Marcella, Broadwell, Mid, Barclay, Neil G., Dumont, T., Shaffer, Jane
Zdroj:	National Review. 7/5/1974, Vol. 26 Issue 27, p728-775. 5p.
Databáze:	Academic Search Ultimate
Externí odkaz:	Zobrazit plný text záznamu