00331pab a2200121 454500008004000000100001500040245006300055260000900118300001500127362001100142650002200153773003400175180718b1997   xxu||||| |||| 00| 0 eng d  aShah, Ajay  aBlack, Merton and Scholes: their work and its consequences  c1997  ap.3337-342  a27 Dec  aFinancial markets  aEconomic and Political Weekly