TY - BOOK ED - Chicago Board of Trade TI - Commodity trading manual: home study workbook AV - HG6049 .C66 1990 U1 - 332.64/4/0973 PY - 1990/// CY - [Chicago, Ill.] PB - Chicago Board of Trade KW - Commodity exchanges KW - United States KW - Handbooks, manuals, etc N1 - Complements the readings in the Commodity trading manual; "EM41-3"--T.p. verso ER -