@book{5163,
	author = {Symposium on Production and Prices, Univ. of Karlsrule, June 23-July 4, 1980 and Eichhorn, W. ; ed.},
	title = {Quantitative studies on production and prices; papers},
	publisher = {Physica- Verlag},
	year = {1983},
	address = {Wien}
}