//-->
The history of commodity futures trading and its regulation
Markham, Jerry W., (1987)
Inside the commodity option markets
Labuszewski, John, (1985)
Selected writings of Holbrook Working
Peck, Anne E., (1977)
The effects of changing margin levels on futures market activity, the composition of traders in the market, and price performance
Hartzmark, Michael L., (1986)
Regulating futures margin requirements
Returns to individual traders of futures : aggregate results
Hartzmark, Michael L., (1987)