W. Hildenbrand,,World Congress of the Econometric Society at Aix-en-Provence.World Congress of the Econometric Society at Aix-en-Provence (4th : 1980)：Advances in Econometrics : World Congress.Cambridge Univ. Pr.,1982.
W. Hildenbrand,,World Congress of the Econometric Society at Aix-en-Provence.World Congress of the Econometric Society at Aix-en-Provence (4th : 1980)：Advances in Economic : World Congress.Cambridge Univ. Pr.,1982.
