@book{72,
	author = {Ayer, A. J.},
	title = {The central questions of philosophy /},
	publisher = {Weidenfeld and Nicolson ,},
	year = {c1973 [reprinted 1979].},
	address = {London :},
	note = {"Reproduces the series of Gifford lectures ... delivered at the University of St. Andrews in 1972-3."},
	url = {http://172.16.21.25:8010/cgi-bin/koha/cataloguing/z3950_search.pl}
}