@book{3546,
	author = {Pan American Health Organization and World Health Organization},
	title = {International conference on the application of vaccines against viral, rickettsial and bacterial diseases of man 14-18 december 1970},
	publisher = {Pan American Health Organization},
	year = {1971},
	address = {Washington},
	note = {439 - 73 / 06.06.1973}
}