Autor:	Stieber, Jack, Miernyk, William H., Roberts, Harold S., Chernick, Jack, Chamberlain, Neil W., Myers, Charles A., Rayback, Joseph G., Harbison, Frederick H.
Zdroj:	Industrial and Labor Relations Review, 1956 Oct 01. 10(1), 165-173.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2519668 Zobrazit plný text záznamu