00310    a2200097   4500001001000000005001700010008004100027245005400068100001800122773007200140ART_1190020260410161901.0260409a                                 10aLeif Johansen´s contribution to public economics1 aSandmo, Agnar0 tJournal of public economicsg- Vol. 21, Nº 3 (ago. 1983)wREV11485