Autor:	WHEATLEY, GERRY, SYKES, PAUL, POCKLINGTON, PETER, NORTHWOOD, OWEN, MALTBY, ARTHUR, HUNTER, ERIC, TOMLINSON, NORMAN, REVILL, DON, BESWICK, NORMAN, ELLIOTT, JON
Zdroj:	New Library World, 1972, Vol. 73, Issue 16, pp. 408-418.
Databáze:	Emerald Insight
Externí odkaz:	http://www.emeraldinsight.com/doi/10.1108/eb038094 Zobrazit plný text záznamu