@book{44165,
	author = {Symposium on Gravity and the Organism and Gordon, Solon A. and National Research Council U.S..},
	title = {Gravity and the organism.},
	publisher = {University of Chicago Press},
	year = {[1971]},
	address = {Chicago},
	note = {"Sponsored by the Space Science Board of the U.S. National Academy of Sciences ... updated in 1970 by the participants."}
}