@book{78129,
	author = {Symposium on Microenvironments in Haemopoietic and Lymphoid Differentiation and Porter, Ruth. and ebrary, Inc.},
	title = {Microenvironments in haemopoietic and lymphoid differentiation},
	publisher = {Pitman ;},
	year = {1981.},
	series = {Ciba Foundation symposium ;},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10575468}
}