00343nam a22001217a 4500020001800000082002100018100002100039245007300060260003500133300001900168650001200187650002200199  a9780071125833  a332.645  bDUB/O  aDubosky, David A  aOptions and financial futures:bValuation and uses/cDavid A Dubosky  aNew York:bMcGraw Hill,c1992.  a699p. ;b23cm.  aFinance  aFinancial Futures