TY - BOOK AU - Williams Jeffrey C TI - Economic function of futures markets SN - 9.78E+12 U1 - 332.644 PY - 2009/// CY - New York PB - CUP KW - Commodity exchanges KW - Futures market UR - http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511571848 ER -