@book{56467,
	author = {Society for Experimental Biology (},
	title = {Symbiosis :},
	publisher = {Cambridge University Press,},
	year = {1975.},
	series = {Symposia - Society for Experimental Biology ; no. 29},
	address = {Cambridge ;},
	note = {Contributions to a symposium held by the Society for Experimental Biology at the University of Bristol.}
}