TY - BOOK ED - International Organization of Securities Commissions. TI - Transparency on secondary markets: a synthesis of the IOSCO debate SN - 8871872630 AV - HG 4523 .I58 1993 PY - 1993/// CY - Milano PB - Il Sole 24 Ore Societa Editoriale Media Economici KW - Mercado financiero ER -