²¹ Véanse, por ejemplo, Bernard Lewis, Islam and the West, Nueva York, Oxford University Press, 1993; Toynbee, Study of History, cap. IX, «Contacts between Civilizations in Space (Encounters between Contemporaries)», VIII, 88 y sigs.; Benjamin Nelson, «Civilizational Complexes and Intercivilizational Encounters», Sociological Analysis 34 (verano de 1973), 79-105.<<