@book{26218,
	author = {Cesar, Jaroslav and Vozar, Jozef},
	title = {Contact and conflict between the Medieval Europe and the Orient (10th-15th centuries)},
	publisher = {[s.e.]},
	year = {1975},
	address = {San Francisco},
	note = {Trabajo presentado al Congreso internacional de Ciencias históricas. 14., San Francisco, agosto 1975}
}