TY  - BOOK
AU  - Villarosa, Leslie
ED  - Chicago Board of Trade
ED  - Board of Trade of the City of Chicago
TI  - Statistical annual 1983 : : for the year ended 
AV  - HS 4501 S83 1983
PY  - 1984///
CY  - Chicago, Ill 
PB  - : Board of Trade of the City of Chicago
KW  - Comercio
KW  - - Estadísticas
KW  - Anuarios
ER  -