@book{176,
	author = {Brass, W. },
	title = {Biological aspects of demography},
	publisher = {Taylor & Francis},
	year = {1971},
	series = {Symposia of the society for the study of Human Biology},
	address = {London},
	note = {"Symposia on biological aspects of demography, Society for the study of human biology, British Museum, London".}
}