@book{7867,
	author = {International Astronomical Union Symposium and Abell, G. O., ed. and International Astronomical Union},
	title = {Early evolution of the universe and its present structure},
	publisher = {D. Reidel Publishing},
	year = {1983},
	series = {IAU Symposium; no. 104},
	address = {Dordrecht}
}